Where: England, United Kingdom (50.7° N, 1.5° W: paleocoordinates 40.7° N, 9.6° E)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Wessex Formation (Wealden Group), Barremian (129.4 - 125.0 Ma)
• Upper part of the Wessex Formation, within the "plant debris bed", "middle" Barremian
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; lithified claystone
Size class: macrofossils
Collected by N. CHase & S. Hutt in 2013
Collection methods: quarrying, surface (float), surface (in situ),
Primary reference: J. A. F. Lockwood, D. M. Martill, and S. C. R. Maidment. 2024. Comptonatus chasei, a new iguanodontian dinosaur from the Lower Cretaceous Wessex Formation of the Isle of Wight, southern England. Journal of Systematic Palaeontology 22(1):2346573 [E. Dunne/T. Forêt/T. Forêt]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 235576: authorized by Emma Dunne, entered by Tom Forêt on 18.07.2024
Creative Commons license: CC BY (attribution)
Taxonomic list
Equisetopsida | |
Pseudofrenelopsis parceramosa Watson frequently produces the trunks of large conifers, usually attributed to Pseudofrenelopsis parceramosa (Francis, 1987).
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Reptilia | |
Iguanodontia indet., Comptonatus chasei n. gen. n. sp.
Iguanodontia indet. Baur 1891 ornithopod several very large, but fragmentary iguanodontian remains, including three pedal phalanges, a neural arch, and some rib sections (no specimen number).
Comptonatus chasei n. gen. n. sp. Lockwood et al. 2024 ornithopod IWCMS 2014.80, an almost complete skel- eton composed of the following elements: right maxilla, right nasal fragment, both vomers, both quadrates, both squamosals, both prefrontals, both frontals, both postor- bitals, neurocranium, right dentary, left dentary fragments, left surangular, one loose dentary tooth, eight opisthocoelous presacral vertebrae, cervical rib frag- ment, 15 dorsal vertebrae including the sacrodorsal, dor- sal rib fragments, sacrum, 40 caudal vertebrae, 15 chevrons, both scapulae, both coracoids, both sternal bones, right humerus, left radius, left ulna, left carpus, left metacarpals III and IV, right metacarpals II and V, both pollices, left digit II manual phalanx 1, unsided digit II manual phalanx 2, right digit IV manual phalanx 1, both ilia, both pubes, both ischia, left femur, both tibiae, both fibulae, both astragali, right metatarsal II, left metatarsals II, III and IV, digit II: right pedal phal- anx 1, left pedal phalanges 1 and 2, digit III: right pedal phalanx 4, left pedal phalanges 1–4, and digit IV: left pedal phalanges 1–4.
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Actinopteri | |
cf. Scheenstia sp. López-Arbarello and Sfercoa 2009 gar Other vertebrate remains uncovered from the excavation site include ganoid fish scales (no specimen number)
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