🦄 Encyclopedia of Abrosaurus (Abrosaurus dongpoi)
Comprehensive paleontology encyclopedia on Abrosaurus: the Middle Jurassic macronarian sauropod dinosaur of China — known for its uniquely gracile, fenestrated skull, Dashanpu Formation (Sichuan Province), described by Ouyang Hui in 1986
✍️ Written by the Atechsur.org Expert Writing Team | Last Updated: March 16, 2026 | Reviewed by Certified Paleontology Specialists
Description: Abrosaurus: “Delicate lizard” — Middle Jurassic, Asia | Size: 2600×1400 px | 1.55 MB
Author: TotalDino | License: CC BY 4.0 Creative Commons Attribution 4.0 International
Usage Note: Free for educational and commercial use with attribution to TotalDino / Wikimedia Commons.
Abrosaurus (Abrosaurus dongpoi) is a genus of medium-sized macronarian sauropod dinosaur from the Middle Jurassic (~168–163 Ma) Dashanpu Formation of Sichuan Province, China. Formally described in 1986 by Ouyang Hui (Chengdu College of Geology), it is one of the most important members of the extraordinarily rich Dashanpu dinosaur assemblage — one of the world’s best-preserved Middle Jurassic faunas. Abrosaurus is particularly notable for its proportionally large, gracile skull with numerous large fenestrae (skull openings) that reduced the weight of the head while maintaining structural integrity — a distinctive adaptation among Middle Jurassic sauropods.
The genus name means “delicate lizard” or “graceful lizard”: from Greek abros (delicate/graceful) + sauros (lizard/reptile). The species name dongpoi honors Su Dongpo (Su Shi, 1037–1101), the celebrated Song Dynasty poet and statesman who was born in Meishan, Sichuan Province, near the fossil locality. As a macronarian sauropod, Abrosaurus belongs to the clade that ultimately gave rise to the giant titanosaurs and brachiosaurids of the Cretaceous. Its occurrence in the Dashanpu Formation alongside Shunosaurus lii, Omeisaurus tianfuensis, and other sauropods makes the Dashanpu quarry one of the most important Jurassic dinosaur sites globally.
- Gracile fenestrated skull: Abrosaurus is most famous for its proportionally large but lightweight skull with numerous well-developed skull openings (fenestrae), including an enlarged antorbital fenestra and prominent narial opening — an unusual feature for a sauropod that gave it a distinctively gracile cranial appearance compared to other Dashanpu sauropods.
- Macronarian sauropod: As a member of Macronaria, Abrosaurus belongs to the sauropod clade that includes later giants such as Brachiosaurus, Camarasaurus, and the titanosaurs — characterized by prominent nasal openings that are typically positioned high on the skull and enlarged antorbital regions.
- 1986 description by Ouyang: Described by Ouyang Hui in 1986 from Dashanpu quarry material; the species name honors Su Dongpo (Su Shi), the famous Song Dynasty poet native to Sichuan Province, giving the animal a uniquely literary namesake among dinosaurs.
- Dashanpu Formation fauna: Co-occurs with Shunosaurus lii, Omeisaurus tianfuensis, Yangchuanosaurus shangyouensis (theropod), and Agilisaurus louderbacki — collectively forming one of the world’s richest and most diverse Middle Jurassic dinosaur assemblages, yielding hundreds of articulated and associated skeletons.
- Medium-sized sauropod: At ~9 m and ~5 tons, Abrosaurus was a medium-sized sauropod in a formation that also contained much larger forms. Its moderate body size and gracile skull suggest it occupied a distinct feeding niche within the Dashanpu paleoecosystem.
- Asian sauropod diversity: Abrosaurus contributes crucial data on Middle Jurassic sauropod diversity in Asia, a critical interval when sauropods were diversifying globally. Chinese Middle Jurassic sauropods like Abrosaurus provide important information on the early evolution of Macronaria before the group spread worldwide in the Late Jurassic and Cretaceous.
Abrosaurus dongpoi represents one of the most scientifically interesting Middle Jurassic sauropods known from Asia. The Dashanpu Formation (Lower Shaximiao Formation) of Zigong, Sichuan Province, China, is among the most productive dinosaur sites on Earth, and Abrosaurus is one of its most distinctive residents. While many of its contemporaries at Dashanpu were enormous animals with massive skulls, Abrosaurus stood apart with its proportionally large yet unusually gracile, fenestrated skull — a combination that gave the animal its descriptive name “delicate lizard.”
Source: Wikimedia Commons — File:Abrosaurus2.jpg
Description: Life restoration of Abrosaurus | 30 March 2014 | Source: Own work
Author: Leví Bernardo | CC BY-SA 3.0 | 4200×3180 px | 2.49 MB
Source: Wikimedia Commons — File:Abrosaurus distribution map (2).png
Description: Distribution map of Abrosaurus | 19 May 2014 | Source: Own work
Author: Leví Bernardo | CC BY-SA 3.0 | 1425×625 px | 91 KB
The Dashanpu quarry was discovered in 1979 during construction of a gas well, and excavations since then have yielded an extraordinary diversity of Middle Jurassic vertebrates. The site is now home to the Zigong Dinosaur Museum (built directly over the quarry), one of the largest paleontology museums in Asia. Abrosaurus is one of the diagnostic taxa of the formation, alongside the iconic long-necked Omeisaurus and the club-tailed Shunosaurus. Its distinctive skull anatomy, with a broadly rounded snout and expansive skull openings, sets it apart morphologically and ecologically from other Dashanpu sauropods.
- Type locality: Dashanpu quarry (Zhongba Member, Dashanpu Formation / Lower Shaximiao Formation), Zigong, Sichuan Province, China
- Key material: Relatively complete skull and partial postcranial skeleton; skull exhibits characteristic expanded fenestrae and broad nasal region
- Repository: Zigong Dinosaur Museum (Zigong Shi Bo Wu Guan), Sichuan, China
- Significance: One of the best-known Middle Jurassic macronarian sauropods; provides unique data on early Macronaria cranial evolution in Asia
Systematic Classification
| Taxonomic Rank | Classification |
|---|---|
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Reptilia (Archosauria) |
| Order | Saurischia |
| Suborder | Sauropodomorpha |
| Clade | Sauropoda → Macronaria |
| Genus | Abrosaurus Ouyang, 1986 |
| Type Species | Abrosaurus dongpoi |
| Stage / Age | Bathonian–Callovian, Middle Jurassic (~168–163 Ma) |
Abrosaurus vs. Other Dashanpu Formation Sauropods
| Feature | Abrosaurus | Shunosaurus | Omeisaurus |
|---|---|---|---|
| Clade | Macronaria | Eusauropoda | Mamenchisauridae |
| Length | ~9 m | ~11 m | ~15–20 m |
| Skull | Large, broad, highly fenestrated | Short, robust | Small, elongate |
| Neck | Moderately long | Moderate | Very long |
| Tail club | Absent | Present (bony mace) | Absent |
| Mass | ~5 tons | ~15 tons | ~20–40 tons |
Discovery History
- Dashanpu quarry discovery (1979): The Dashanpu Formation fossil site was accidentally discovered in 1979 near Zigong, Sichuan, during gas well drilling operations. Systematic paleontological excavations began in 1979–1980, revealing an extraordinary concentration of Middle Jurassic dinosaur material.
- 1986 formal description: Ouyang Hui (Chengdu College of Geology) formally described Abrosaurus dongpoi in 1986 based on skull and postcranial material from the Dashanpu Formation.
- Species name honors Su Dongpo: The species epithet dongpoi was chosen to honor Su Dongpo (Su Shi, 1037–1101), one of China’s most celebrated poets, essayists, and statesmen of the Song Dynasty, who was born in Meishan, Sichuan — making this one of the most literary dinosaur names in paleontology.
- Repository: Fossil material of Abrosaurus is curated at the Zigong Dinosaur Museum (Zigong, Sichuan Province, China), built directly above the Dashanpu quarry and opened in 1987 as one of the world’s first in-situ dinosaur museums.
Source: Wikimedia Commons — File:Abrosaurus skull.jpg
Abrosaurus skull (cast) showing the characteristic large fenestrae and gracile construction
CC BY-SA 3.0 | 2168×1476 px | 1,000 KB | Jan 2026
Source: Wikimedia Commons — File:Abrosaurus head.jpg
Head and neck of an Abrosaurus (museum cast/display) | 9 November 2014 | Source: Own work
Author: Levi B. Martinez-Reza | CC BY-SA 4.0 | 6729×4608 px | 13 MB
Etymology
- Genus name: Abros (Greek: αβρός, meaning “delicate” / “graceful” / “elegant”) + sauros (Greek: lizard/reptile) → “Delicate Lizard”. Named by Ouyang (1986) in reference to the gracile, elegantly constructed skull with its large, lightweight fenestrae.
- Species name: Dongpoi — honoring Su Dongpo (螙東坚, also written Su Shi, 1037–1101), Song Dynasty poet, calligrapher, painter, gastronome, and statesman from Meishan, Sichuan Province. Among the most famous literary figures in Chinese history.
- Author: Ouyang Hui, 1986 (Chengdu College of Geology, now Chengdu University of Technology, Sichuan, China).
- Type locality: Dashanpu quarry (Zhongba Member), Dashanpu Formation (Lower Shaximiao Formation), Zigong, Sichuan Province, China
- Stratigraphic age: Bathonian–Callovian, Middle Jurassic (~168–163 Ma)
- Described by: Ouyang Hui, 1986 (Chengdu College of Geology)
- Key material: Relatively complete skull + partial postcranial skeleton; skull shows diagnostic macronarian features with expanded fenestrae
- Repository: Zigong Dinosaur Museum (Zigong Shi Bo Wu Guan), Sichuan Province, China
- Species name honors: Su Dongpo (Su Shi, 1037–1101) — Song Dynasty poet from Sichuan; one of China’s most celebrated literary figures
- Quarry context: Dashanpu is one of the world’s richest Middle Jurassic sites; thousands of bones of multiple species excavated since 1979; the Zigong Dinosaur Museum (est. 1987) was built directly over the active quarry
General Body Plan
Abrosaurus was a medium-sized quadrupedal sauropod with the typical sauropod body plan: four robust pillar-like limbs, a long neck, a compact barrel-shaped body, and a moderately long tail. As a macronarian, it had the characteristic nasal morphology of the clade — elevated nasal openings positioned high on the skull. The forelimbs were moderately elongate relative to the hindlimbs, consistent with other macronarians, giving the animal a slightly elevated shoulder region.
Wikimedia Commons | CC BY 4.0 | Author: TotalDino
2600×1400 px | 1.55 MB
Wikimedia Commons | CC BY-SA 3.0
4200×3180 px | 2.49 MB | 30 Mar 2014
| Feature | Description | Significance |
|---|---|---|
| Skull | Proportionally large; broad; heavily fenestrated (large skull openings); elevated nasal region; rounded snout | Diagnostic macronarian feature; gracile construction distinguishes Abrosaurus from contemporaries |
| Teeth | Spatulate (spoon-shaped) to peg-like; arranged in a single functional row; robust crowns for processing tough vegetation | Consistent with high-browsing herbivory on conifer/cycad material |
| Neck | Moderately long with elongate cervical vertebrae; estimated 8–12 cervical vertebrae | Medium-reach herbivory; could reach both low and mid-height vegetation |
| Limbs | Four robust columnar limbs; forelimbs moderately elongate (macronarian tendency); manus digitigrade | Quadrupedal locomotion; stable posture for large body mass |
| Vertebral column | Robust; bifurcated neural spines possible in some vertebrae; pneumatized centra | Typical sauropod weight-reduction and locomotor adaptations |
| Tail | Moderately long; no tail club (unlike Shunosaurus from same formation) | Balance; no defensive tail weapon |
The Distinctive Fenestrated Skull
The most scientifically distinctive feature of Abrosaurus is its unusually gracile, fenestrated skull. While the skull is proportionally large for a sauropod, it is exceptionally lightweight due to the presence of numerous large openings — including a very large antorbital fenestra (the opening in front of the eye socket), enlarged nares (nasal openings) positioned high on the skull, and well-developed supratemporal fenestrae. This skull architecture represents an advanced macronarian feature and distinguishes Abrosaurus clearly from non-macronarian Dashanpu sauropods such as Shunosaurus.
Source: Wikimedia Commons | CC BY-SA 3.0
Showing characteristic large skull openings | 2168×1476 px | 1,000 KB | Jan 2026
Source: Wikimedia Commons | CC BY-SA 4.0
Author: Levi B. Martinez-Reza | 6729×4608 px | 13 MB | Nov 2014
- Antorbital fenestra: Very large; the antorbital opening in front of the eye socket is prominently enlarged, a diagnostic macronarian feature that reduces skull weight while maintaining structural rigidity.
- Narial region: The external naris (nasal opening) is large and positioned relatively high on the skull — consistent with macronarian narial morphology, possibly related to thermoregulation, social signaling, or olfaction.
- Orbit (eye socket): Proportionally large, circular eye socket; consistent with good visual acuity.
- Snout shape: Broadly rounded, spatulate snout; wider than in many contemporaneous sauropods; consistent with a non-selective browser cropping wide swaths of vegetation.
- Overall lightness: The multiple large fenestrae reduce cranial mass significantly relative to the skull’s overall dimensions — hence the name “delicate lizard” — while the remaining bone is dense and structural.
- Comparison with Camarasaurus: The skull of Abrosaurus has been compared to that of North American Camarasaurus, both being macronarians with broad, robust skulls with large fenestrae, though Abrosaurus is an Asian Middle Jurassic genus that predates Camarasaurus by tens of millions of years.
Abrosaurus dongpoi is estimated to have been approximately 9 meters in length and about 5 metric tons in body mass. This makes it a medium-sized sauropod — considerably smaller than its Dashanpu formation neighbors Omeisaurus (~15–20 m) and Shunosaurus (~11 m). Despite its moderate size, Abrosaurus’s distinctive skull morphology and macronarian affinities make it a scientifically significant component of the Dashanpu assemblage.
Size Comparison: Abrosaurus vs. Other Dashanpu & Global Sauropods
| Taxon | Period | Length | Est. Mass | Region | Clade |
|---|---|---|---|---|---|
| Abrosaurus dongpoi | Middle Jurassic | ~9 m | ~5 t | China | Macronaria |
| Shunosaurus lii | Middle Jurassic | ~11 m | ~15 t | China | Eusauropoda |
| Omeisaurus tianfuensis | Middle Jurassic | ~15–20 m | ~20–40 t | China | Mamenchisauridae |
| Camarasaurus supremus | Late Jurassic | ~18 m | ~47 t | USA | Macronaria |
| Brachiosaurus altithorax | Late Jurassic | ~26 m | ~56 t | USA / Africa | Brachiosauridae |
| Saltasaurus loricatus | Late Cretaceous | ~12 m | ~7 t | Argentina | Titanosauria |
* Size estimates based on published literature; Abrosaurus estimates based on Ouyang (1986) and subsequent referrals.
Macronarian Feeding Strategy
Abrosaurus was a herbivore, feeding on the lush Middle Jurassic vegetation of Sichuan Province. The broad, spatulate teeth and robust jaw apparatus suggest it was a non-selective browser capable of cropping large volumes of plant material. The moderately long neck would have allowed feeding at a range of heights, from low ferns and horsetails on the ground to mid-height conifer fronds. The macronarian body plan — with slightly taller forelimbs than hindlimbs — may have facilitated feeding at elevated positions on taller conifers and cycads.
- Primary food sources (inferred): Conifers (Araucaria-type), cycads, bennettitaleans, ferns (Clathropteris), horsetails (Equisetum), and other gymnosperms of the Middle Jurassic Sichuan flora.
- Feeding height: Moderate — the neck length and forelimb proportions suggest feeding from ground level up to approximately 3–5 meters height; likely less elevated feeding than giant long-necked Omeisaurus.
- Tooth function: Spatulate to peg-like teeth for stripping leaves and conifer needles; no evidence of complex oral food processing (typical of sauropods, which swallowed food whole and used gastric stones for digestion).
- Water requirements: As a large-bodied animal (~5 tons), Abrosaurus would have required substantial daily water intake; the presence of paleochannels in the Dashanpu Formation suggests reliable water availability near the site.
Middle Jurassic Sichuan Ecosystem
The Dashanpu Formation was deposited during the Bathonian–Callovian stages (~168–163 Ma) in what is now the Sichuan Basin (Red Basin) of southwestern China. The paleoenvironment was a warm, humid lowland with river channels, floodplains, and shallow lakes, supporting one of the most diverse Mesozoic terrestrial faunas known. The climate was substantially warmer and more humid than today, with no polar ice caps, supporting lush subtropical to tropical vegetation across the region.
Wikimedia Commons | CC BY-SA 3.0
Leví Bernardo | 1425×625 px | 91 KB | May 2014
Wikimedia Commons | CC BY-SA 3.0
Leví Bernardo | 4200×3180 px | 2.49 MB
- Formation: Dashanpu Formation (Zhongba Member, Lower Shaximiao Formation), Sichuan Basin, Zigong, Sichuan Province, China
- Environment: Warm, humid subtropical lowland; river channels, floodplains, shallow lakes; seasonal wet-dry cycles; no polar ice; average temperatures ~20–28°C
- Age: Bathonian–Callovian, Middle Jurassic (~168–163 Ma)
- Contemporary sauropods: Shunosaurus lii (club-tailed, ~11 m); Omeisaurus tianfuensis (very long-necked, up to ~20 m); Mamenchisaurus (extreme long-neck)
- Contemporary theropods: Yangchuanosaurus shangyouensis (large carnosaur, ~10–11 m); Gasosaurus constructus (smaller theropod)
- Contemporary ornithischians: Agilisaurus louderbacki (small bipedal ornithischian); Xiaosaurus dashanpensis
- Flora: Conifers (Araucaria-type), cycads, bennettitaleans, ferns (Clathropteris), horsetails; no angiosperms; dense lowland forests with open floodplain areas
- Ecological niche: Medium-bodied browser; fed on low-to-mid-height vegetation; occupied a distinct feeding niche between ground-level feeders and the extremely long-necked Omeisaurus / Mamenchisaurus
Known Fossil Material
Abrosaurus is known from a relatively complete skull and associated postcranial material from the Dashanpu Formation at Zigong, Sichuan Province, China. The skull is particularly well-preserved and is the basis for most of the genus’s anatomical descriptions. The Zigong Dinosaur Museum houses the primary material and displays casts of the skull and skeletal reconstructions.
Wikimedia Commons | CC BY-SA 3.0
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Wikimedia Commons | CC BY-SA 4.0
6729×4608 px | 13 MB
Wikimedia Commons | CC BY 4.0
2600×1400 px | 1.55 MB
- Type locality: Dashanpu Formation (Zhongba Member, Lower Shaximiao Formation), Zigong, Sichuan Province, China
- Material known: Relatively complete skull (the primary diagnostic material) + partial postcranial skeleton including vertebrae and limb elements
- Age: Bathonian–Callovian, Middle Jurassic (~168–163 Ma)
- Repository: Zigong Dinosaur Museum (ZDM), Zigong, Sichuan Province, China
- Quarry significance: Dashanpu quarry is one of the world’s richest Middle Jurassic dinosaur sites; thousands of bones from multiple species; site now enclosed within the Zigong Dinosaur Museum (opened 1987) built directly over the active excavation
- Referred material: Additional cranial and postcranial material from the Dashanpu Formation has been tentatively referred to Abrosaurus, but the holotype skull remains the primary diagnostic specimen
Complete image gallery featuring all 5 Wikimedia Commons images for Abrosaurus dongpoi. All images used under respective Creative Commons licenses with full attribution.
📷 Life Restorations
Wikimedia Commons — File:Abrosaurus TD.png
CC BY 4.0 | Author: TotalDino | 2600×1400 px | 1.55 MB | Jan 2026
Wikimedia Commons — File:Abrosaurus2.jpg
CC BY-SA 3.0 | Author: Leví Bernardo | 4200×3180 px | 2.49 MB | 30 Mar 2014
📷 Skull & Anatomical Specimens
Wikimedia Commons — File:Abrosaurus skull.jpg
CC BY-SA 3.0 | 2168×1476 px | 1,000 KB | Jan 2026
Wikimedia Commons — File:Abrosaurus head.jpg
CC BY-SA 4.0 | Author: Levi B. Martinez-Reza | 6729×4608 px | 13 MB | Nov 2014
📷 Distribution & Biogeography
Wikimedia Commons — File:Abrosaurus distribution map (2).png
CC BY-SA 3.0 | Author: Leví Bernardo | 1425×625 px | 91 KB | May 2014
1. What is Abrosaurus?
Abrosaurus dongpoi is a genus of medium-sized macronarian sauropod dinosaur from the Middle Jurassic (~168–163 Ma) Dashanpu Formation of Sichuan Province, China. Described in 1986 by Ouyang Hui, it is notable for its proportionally large, gracile, fenestrated skull.
2. What does Abrosaurus mean?
“Delicate Lizard”: Abros (Greek: delicate/graceful) + sauros (Greek: lizard/reptile). The species name dongpoi honors the Song Dynasty poet Su Dongpo (Su Shi) from Sichuan Province.
3. How big was Abrosaurus?
Approximately 9 m long and ~5 metric tons. A medium-sized sauropod, smaller than Dashanpu neighbors Omeisaurus (~15–20 m) and Shunosaurus (~11 m).
4. Where was Abrosaurus found?
In the Dashanpu Formation (Lower Shaximiao Formation), Zigong, Sichuan Province, China. Material is curated at the Zigong Dinosaur Museum.
5. Who described Abrosaurus?
Formally described in 1986 by Ouyang Hui (Chengdu College of Geology). Named in honor of the Song Dynasty poet Su Dongpo (Su Shi) from Sichuan.
6. What is Macronaria?
Macronaria is a clade of sauropod dinosaurs characterized by enlarged narial openings positioned high on the skull. It includes Brachiosaurus, Camarasaurus, and the titanosaurs, as well as the earlier Abrosaurus from Middle Jurassic China.
7. What did Abrosaurus eat?
A herbivore feeding on conifers, cycads, ferns, and other gymnosperms of the Middle Jurassic Sichuan flora. The spatulate teeth and robust jaw suggest non-selective bulk browsing at low-to-mid vegetation heights.
8. When did Abrosaurus live?
During the Bathonian–Callovian stages of the Middle Jurassic, approximately 168–163 million years ago.
9. Why is the Dashanpu Formation important?
The Dashanpu Formation is one of the world’s richest Middle Jurassic dinosaur sites, yielding thousands of bones from multiple species of sauropods, theropods, ornithischians, and other vertebrates. The Zigong Dinosaur Museum was built directly over the quarry in 1987.
10. Why is Abrosaurus scientifically important?
Three reasons: (1) the well-preserved skull provides unique data on macronarian cranial evolution during the poorly understood Middle Jurassic; (2) it contributes to understanding Asian sauropod diversity before global macronarian radiation; (3) as part of the Dashanpu assemblage, it helps reconstruct one of the richest Middle Jurassic ecosystems known.
- This encyclopedia is for educational purposes, reflecting scientific literature as of March 2026.
- All images are from Wikimedia Commons, used under CC BY 4.0, CC BY-SA 3.0, and CC BY-SA 4.0 licenses with full attribution.
- No copyrighted third-party commercial images are used. All sources are publicly licensed.
Primary Scientific References
- Ouyang Hui. (1986). A new sauropod from Dashanpu, Zigong, Sichuan. Vertebrata PalAsiatica (Journal of Vertebrate Paleontology, China). [Original description of Abrosaurus dongpoi]
- He, X., Li, K., Cai, K., & Gao, Y. (1988). Sauropod dinosaurs from the Middle Jurassic of China. Journal of Chengdu College of Geology, Supplement 2:1–54. [Comprehensive treatment of Dashanpu sauropods including Abrosaurus]
- Wilson, J.A., & Sereno, P.C. (1998). Early evolution and higher-level phylogeny of sauropod dinosaurs. Society of Vertebrate Paleontology Memoir 5:1–68. [Macronaria phylogeny and placement of Abrosaurus]
- Upchurch, P., Barrett, P.M., & Dodson, P. (2004). Sauropoda. In D.B. Weishampel, P. Dodson, & H. Osmólska (eds.), The Dinosauria, 2nd ed. University of California Press. [Comprehensive review including Abrosaurus]
- Dong, Z. (1988). Dinosaurs from China. China Ocean Press / British Museum (Natural History), London. [Dashanpu Formation fauna including Abrosaurus context]
Image Attribution Table
| Image File | Wikimedia Source | License | Author / Notes |
|---|---|---|---|
| Abrosaurus TD.png | Wikimedia Commons | CC BY 4.0 | Author: TotalDino; Label: “Delicate lizard, Middle Jurassic, Asia”; 2600×1400 px | 1.55 MB | Jan 2026 |
| Abrosaurus2.jpg | Wikimedia Commons | CC BY-SA 3.0 | Author: Leví Bernardo; Life restoration; 4200×3180 px | 2.49 MB | 30 Mar 2014 |
| Abrosaurus skull.jpg | Wikimedia Commons | CC BY-SA 3.0 | Skull cast; 2168×1476 px | 1,000 KB | Jan 2026 |
| Abrosaurus head.jpg | Wikimedia Commons | CC BY-SA 4.0 | Author: Levi B. Martinez-Reza; Head & neck display; 6729×4608 px | 13 MB | Nov 2014 |
| Abrosaurus distribution map (2).png | Wikimedia Commons | CC BY-SA 3.0 | Author: Leví Bernardo; Distribution map; 1425×625 px | 91 KB | May 2014 |
© 2026 – Atechsur.org – Encyclopedia of Abrosaurus (Abrosaurus dongpoi)
Middle Jurassic macronarian sauropod of China | Wikimedia Commons images, CC BY 4.0 / CC BY-SA 3.0 / CC BY-SA 4.0 | Written by the Atechsur.org Expert Writing Team | 16 March 2026
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