Leintwardine starfish bed (Silurian of the United Kingdom)

Also known as Church Hill Quarry; Martin's Shell Quarry

Where: United Kingdom (52.4° N, 2.9° W: paleocoordinates 23.5° S, 11.9° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Lower Leintwardine Formation, Leintwardine (421.3 - 419.2 Ma)

• Monograptus leintwardinensis Zone according to Ramsbottom 1958

• bed-level stratigraphic resolution

Environment/lithology: lagoonal; lithified, bioturbated siltstone

• "lagoonal" according to Ramsbottom 1958

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Collected by H. L. Hawkins in 1926; reposited in the BMNH

Collection methods: quarrying, surface (in situ),

• "Most of the specimens described in this paper occur as external moulds... studied by means of rubber latex casts" (Ramsbottom 1958)

•BM and GSM collections

Primary reference: W. H. C. Ramsbottom. 1958. British Upper Silurian crinoids from the Ludlovian. Palaeontology 1:106-115 [G. Webster/G. Webster]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 95143: authorized by Loic Villier, entered by Loic Villier on 08.04.2010, edited by John Alroy

Creative Commons license: CC BY (attribution)

Taxonomic list

• combines material from the Church Hill Quarry and the Martin's Shell Quarry, although all material described by Ramsbottom 1958 is from the Church Hill Quarry
Ophiocistioidea
  - Sollasinidae
Sollasina woodwardi2 Sollas 1899
Echinoidea
 Perischoechinoidea - Lepidocentridae
Palaeodiscus ferox2 sea urchin
 Echinocystitoida - Echinocystitidae
Asteroidea
 Euaxosida - Mesopalaeasteridae
Coccaster bulbiferus2 Spencer 1916 sea star
 Euaxosida - Palasterinidae
Palasterina antiqua2 Hisinger 1837 sea star
 Hadrosida - Urasterellidae
Urasterella ruthveni2 Forbes 1848 sea star
Ophiuroidea
  - Encrinasteridae
Loriolaster sp.2 Stürtz 1886 brittle star
 Oegophiurida - Lapworthuridae
Lapworthura miltoni2 Salter 1857 brittle star
 Oegophiurida - Protasteridae
Furcaster leptosoma2 Salter 1857 brittle star
Stenuroidea
 Proturina - Bdellacomidae
"Bdellocoma vermiformis" = Bdellacoma vermiformis2
"Bdellocoma vermiformis" = Bdellacoma vermiformis2 Salter 1857
 Proturina - Rhopalocomidae
  -
Crinoidea
 Monobathrida - Hapalocrinidae
Hapalocrinus quinquepennis n. sp. Ramsbottom 1958 Sea lily
 Cladida - Botryocrinidae
Mastigocrinus bravoniensis n. sp. Ramsbottom 1958 Sea lily
 Cyathocrinida - Cyathocrinitidae
Gissocrinus ludensis n. sp. Ramsbottom 1958 Sea lily
 Taxocrinida - Taxocrinidae
Eutaxocrinus maccoyanus Salter 1873 Sea lily
 Pisocrinida - Pisocrinidae
Pisocrinus cf. sphericus Rowley 1904 Sea lily
Rhynchonellata
 Pentamerida - Subrianidae
Conchidium sp.1 Oehlert 1887