Stowell Park borehole (C. turneri Zone, M. birchi Subzone, 1578-1602ft) (Jurassic of the United Kingdom)

Where: Gloucestershire, United Kingdom (51.8° N, 1.9° W: paleocoordinates 38.5° N, 3.4° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Microderoceras birchi ammonoid zone, Lower Lias Formation (Lias Group), Sinemurian (199.3 - 190.8 Ma)

• "Caenisites turneri Zone, Microderoceras birchi and Caenisites turneri Subzone" (Melville 1956)

•"1578ft - 1602ft" (Melville 1956)

• group of beds-level stratigraphic resolution

Environment/lithology: calcareous shale

• "Black and dark grey calcareous shale with occasional limestone nodules and bands" (Green & Melville 1956)

Size class: macrofossils

Preservation: mold/impression

Reposited in the BGS

Collection methods: core

Primary reference: R. V. Melville. 1956. The Stratigraphical Palaeontology, ammonites excluded, of the Stowell Park borehole. Bulletin of the Geological Survey of Great Britain 11:67-139 [A. Dunhill/B. Allen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 204150: authorized by Alex Dunhill, entered by Bethany Allen on 02.09.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Ostreida - Pergamidiidae
Semuridia sp. Melville 1956 oyster
Semuridia quadrata n. sp. Melville 1956 oyster
GSM Bj 4749 and counterpart 4750 (holotype)
 Ostreida - Bakevelliidae
"Gervillia lanceolata" = Gervillella lanceolata
"Gervillia lanceolata" = Gervillella lanceolata Muenster 1826 oyster
 Pectinida - Limidae
"Lima (Plagiostoma) aff. gigantea" = Plagiostoma giganteum
"Lima (Plagiostoma) aff. gigantea" = Plagiostoma giganteum Sowerby 1814 file clam
 Lucinida - Lucinidae
Lucina sp. Bruguière 1797 clam
 Pandorida - Laternulidae
? Cercomya sp. Agassiz 1843 clam
 Nuculida - Nuculidae
"Nucula (Palaeonucula) navis" = Palaeonucula navis
"Nucula (Palaeonucula) navis" = Palaeonucula navis Piette 1868 nut clam
Cephalopoda
 Ammonitida - Asteroceratidae
Caenisites sp. Buckman 1925 ammonite
Caenisites turneri Sowerby 1824 ammonite
 Ammonitida - Schlotheimiidae
"Sulciferites sp." = Angulaticeras
"Sulciferites sp." = Angulaticeras Quenstedt 1882 ammonite
 Ammonitida - Cymbitidae
Cymbites sp. Neumayr 1878 ammonite
 Ammonitida - Arietitidae
? Arnioceras sp. Hyatt 1867 ammonite
 Ammonitida - Eoderoceratidae
Microderoceras birchi Sowerby 1820 ammonite
Gastropoda
 Trochoidea - Ataphridae
Ataphrus sp. Gabb 1869 snail
 Caenogastropoda - Coelostylinidae
 Sorbeoconcha - Procerithiidae
Procerithium nannoide n. sp. Melville 1956 snail
 Sorbeoconcha - Naticidae
"Natica" plicata moon snail
 Sorbeoconcha -
Trochoturbella concavispira n. sp. Melville 1956 snail