Stowell Park borehole (A. semicostatum Zone, E. sauzeanum Subzone, 1632-1687ft) (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: Euagassiceras sauzeanum ammonoid zone, Lower Lias Formation (Lias Group), Sinemurian (199.3 - 190.8 Ma)

• "Arnioceras semicostatum Zone, Euagassiceras sauzeanum Subzone" (Melville 1956)

•"1632ft - 1687ft" (Melville 1956)

• group of beds-level stratigraphic resolution

Environment/lithology: lime mudstone

• "Dark grey and black calcareous mudstone, often indurated, with subordinate shale bands and 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 204152: authorized by Alex Dunhill, entered by Bethany Allen on 02.09.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Gastropoda
 Sorbeoconcha - Procerithiidae
Procerithium sp.
Procerithium sp. Cossmann 1902 snail
Bivalvia
 Nuculida - Nuculidae
"Nucula (Palaeonucula) navis" = Palaeonucula navis
"Nucula (Palaeonucula) navis" = Palaeonucula navis Piette 1868 nut clam
 Carditida - Hippopodiidae
Hippopodium sp.
Hippopodium sp. Sowerby 1819 clam
 Carditida - Astartidae
Astarte camertonensis
 Lucinida - Lucinidae
Lucina limbata
 Pholadida - Ceratomyidae
? Gresslya sp.
? Gresslya sp. Agassiz 1843 clam
 Mytilida - Mytilidae
Modiolus sp.
Modiolus sp. Lamarck 1801 mussel
 Arcida - Parallelodontidae
Parallelodon cf. caprinus
 Ostreida - Pergamidiidae
Semuridia quadrata
Semuridia quadrata Melville 1956 oyster
 Ostreida - Bakevelliidae
Bakevellia sp.
Bakevellia sp. King 1848 oyster
 Pectinida - Oxytomidae
"Oxytoma inequivalve" = Oxytoma inequivalvis
"Oxytoma inequivalve" = Oxytoma inequivalvis Sowerby 1819 scallop
 Pectinida - Limidae
"Lima (Plagiostoma) aff. gigantea" = Plagiostoma giganteum
"Lima (Plagiostoma) aff. gigantea" = Plagiostoma giganteum Sowerby 1814 file clam
 Pectinida - Pectinoidae
Pseudopecten priscus
Cephalopoda
 Ammonitida - Arietitidae
Arnioceras carenatum, Arnioceras obliquecostatum, Arnioceras nigrum, Arnioceras arnouldi, Arnioceras semicostatum, Euagassiceras reynesi, Euagassiceras halecis, Euagassiceras personatum, Euagassiceras sauzeanum, Euagassiceras spinaries
Arnioceras arnouldi Dumortier 1867 ammonite
Arnioceras semicostatum Young and Bird 1828 ammonite
Euagassiceras sauzeanum d'Orbigny 1844 ammonite
Euagassiceras spinaries Quenstedt 1858 ammonite
Rhynchonellata
 Rhynchonellida - Rhynchonellidae
Piarorhynchia sp.
Piarorhynchia sp. Buckman 1917