Lyme Regis, Museum of Practical Geology collection (Jurassic of the United Kingdom)

Where: England, United Kingdom (50.7° N, 2.9° W: paleocoordinates 37.4° N, 3.8° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Early/Lower Sinemurian (196.5 - 189.6 Ma)

• "Lower Lias" is only stratigraphic info given, but most fish come from the Bucklandi and Semicostatum zones of the Early Sinemurian, specially the "Fish Bed" and "Fish Bed shales" - both in the Semicostatum zone, but also from the "Saurian shales" and other lower beds in the Bucklandi zone.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified lithology not reported

Size class: macrofossils

Preservation: adpression

Collection methods: Repository: Museum of Practical Geology, London

Primary reference: P. M. G. Egerton. 1858. On Chondrosteus, an extinct genus of the Sturionidae, found in the Lias formation at Lyme Regis. Philosophical Transactions of the Royal Society of London 148:871-885 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 122371: authorized by Matthew Clapham, entered by Matthew Clapham on 22.12.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Osteichthyes
 Acipenseriformes - Chondrosteidae
Chondrosteus sp.3 Agassiz 1843 ray-finned fish
Chondrosteus pachyurus n. sp. Egerton 1858 ray-finned fish
coll. Mr. Harrison, Charmouth
Chondrichthyes
 Chimaeriformes - Myriacanthidae
Myriacanthus paradoxus4 Agassiz 1836 chimaera
No. 1545
 Hybodontiformes - Acrodontidae
Acrodus anningiae1 Agassiz 1843 elasmobranch
cabinet of Mr. Day
 Hybodontiformes - Hybodontidae
Hybodus delabechei2 Charlesworth 1839 elasmobranch
collection of Mr. Day (repository assumed based on Day, 1864)