Genus
Valid Extinct

Anoplosaurus

Seeley 1879
Etymology Reptiles sans arme

Anoplosaurus is an extinct genus of herbivorous nodosaurid dinosaur from the Lower Cretaceous Cambridge Greensand of Cambridgeshire, England. It has in the past been classified with either the armored dinosaurs or the ornithopods, but current thought has been in agreement with the "armored dinosaur" interpretation, placing it in the Ankylosauria.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
1
Group
Dinosaures
Herbivore Ground dwelling, gregarious Terrestrial
Anoplosaurus
click to enlarge
PLATE X X X I ~ r. The vertebral column of Anoplosaurus c~rto~ot~s. Fig. l. Left lateral aspect of third to seventh cervical eentrums, showing how the bodies of the vertebrae increase in depth from before backward, and indicating at the upper anterior corner of each an attachment for a cervical rib. 1 a. Visceral aspect of third (?) cervical vertebra, showing flattened and rounded under surface, and expansion towards the anterior end. Fig. 2. Left lateral aspect of fourteenth to eighteenth eentrums of the series, showing the somewhat compressed appearance of upper parts of the bodies of the last five dorsal vertebra. 2 a. Visceral aspect of the last dorsal vertebra, 1~o. 18. 2 b. Posterior (?) articular end of the same centrum, No. 18. 3. The sacrum, showing the neural or superior surface, and giving evi- dence of the great expansion of the spinal cord in the region of the second and third sacral vertebra. The outlets for the escape of the sacral nerves at the sides of the centrum are best seen in the first three vertebrae. 4. Dorsal surface of vertebral end of a sacral rib, showing the massive end for attachment to the sides of the centrums of the second and third vertebrm. Its worn upper surface gave attachment to the neural arch. 5. Left lateral aspect of a sequence of six early caudal vertebrm numbered 25 to 30, showing decreasing depth of the centrum posteriorly, and diminishing size in the surface for the attachment of the sacral rib which remains in union with the 30th vertebra. The chevron facet, e, also diminishes in size. 5 a. Posterior articular surface and facet for the chevron bone of the vertebra ~No. 26. © Harry Seeley · Public domain · Wikimedia
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Classification
Dinosauria Unranked clade
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Ornithischia Unranked clade
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Parapredentata Unranked clade
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Saphornithischia Unranked clade
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Prionodontia Unranked clade
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Genasauria Unranked clade
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Thyreophora Unranked clade
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Thyreophoroidea Superfamily
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Eurypoda Unranked clade
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Ankylosauria Unranked clade
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Euankylosauria Unranked clade
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Nodosauridae Family
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Anoplosaurus Genus
Fossil sites 1 geolocated sites
Distribution
Top countries
🇬🇧 United Kingdom
1
Geological formations
Upper Greensand
1
Temporal distribution
Cenomanian (100.5–93.9 Ma)
1
Species (1)
Anoplosaurus curtonotus 101 Ma
Images 1
Bibliography
Original description
H. G. Seeley. 1879. On the Dinosauria of the Cambridge Greensand. Quarterly Journal of the Geological Society of London 35:591-636 DOI ↗
Bibliography (1)
H. G. Seeley. 1879. On the Dinosauria of the Cambridge Greensand. Quarterly Journal of the Geological Society of London 35:591-636 DOI ↗