Beccles' residuary Feather Bed marls (Cretaceous to of the United Kingdom)

Where: England, United Kingdom (50.6° N, 2.0° W: paleocoordinates 41.4° N, 7.9° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Lulworth Formation (Purbeck Group), Early/Lower Berriasian to Early/Lower Berriasian (145.0 - 140.2 Ma)

• formation-level stratigraphic resolution

Environment/lithology: terrestrial; marl

Size class: macrofossils

Collected by S. H. Beckles in 1857; reposited in the BMNH

Primary reference: J. B. Delair. 1958. The Mesozoic reptiles of Dorset. Part one. Proceedings of the Dorset Natural History and Archaeological Society 79:47-72 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 123310: authorized by Philip Mannion, entered by Philip Mannion on 18.01.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Crocodylia -
Brachydectes major n. gen. n. sp.
Brachydectes major n. gen. n. sp. Owen 1879 crocodilian
BMNH 48304 (left mandibular ramus)
 Loricata - Goniopholididae
Nannosuchus gracilidens n. gen. n. sp. Owen 1879 crocodilian
BMNH 48217 (complete skull) and BMNH 48301 (partial mandible) - syntypes. Unlikely that the two come from the same individual based on size (Salisbury 2002); referred material - BMNH 48303 (isolated postcranial elements) - cannot be referred to Nannosuchus (Salisbury 2002)
Goniopholis tenuidens n. sp. Owen 1879 crocodilian
BMNH 48300 - type (partial mandible)
 Loricata - Atoposauridae
"Theriosuchus pusillus n. gen. n. sp." = Theriosuchus pusillus, "Brachydectes minor n. sp." = Theriosuchus pusillus
"Theriosuchus pusillus n. gen. n. sp." = Theriosuchus pusillus Owen 1878 crocodilian
BMNH 48330 (complete skull and mandible) and BMNH 48216 (partially articulated skeleton) - syntypes (see Salisbury 2002)
"Brachydectes minor n. sp." = Theriosuchus pusillus Owen 1878 crocodilian
BMNH 48328 (left mandibular ramus)