Stowell Park borehole (H. serpentinum Zone, H. exaratum Subzone, 706-720ft) (Jurassic of the United Kingdom)

Where: Gloucestershire, United Kingdom (51.8° N, 1.9° W: paleocoordinates 39.3° N, 8.0° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Harpoceras exaratum ammonoid zone, Upper Lias Formation (Lias Group), Early/Lower Toarcian (183.0 - 182.0 Ma)

• "Hildoceras serpentinum Zone, Harpoceras exaratum Subzone" (Melville 1956)

•"706ft - 720ft" (Melville 1956)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; gray shale

• "Dark grey and brown-grey paper shale with abundant fish debris and ammonites" (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 204117: authorized by Alex Dunhill, entered by Bethany Allen on 31.08.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Echinoidea
 Diadematoida - Diadematidae
Eodiadema sp.
Eodiadema sp. sea urchin
"radioles"
Bivalvia
 Arcida - Parallelodontidae
Parallelodon (Catella) fossa n. sp.
Parallelodon (Catella) fossa n. sp. Melville 1956 clam
 Myalinida - Inoceramidae
"Inoceramus dubius" = Parainoceramya dubia
"Inoceramus dubius" = Parainoceramya dubia Sowerby 1826 clam
 Ostreida - Ostreidae
Ostrea cf. erina
 Ostreida - Posidoniidae
Posidonia (Steinmannia) bronni
 Pectinida - Propeamussiidae
"Variamussium pumilum" = Parvamussium
"Variamussium pumilum" = Parvamussium mud scallop
 Carditida - Astartidae
Astarte sp.
Astarte sp. Sowerby 1816 clam
 Lucinida - Lucinidae
Lucina bellona
 Cardiida - Sowerbyidae
"? Isodonta sp." = Sowerbya
"? Isodonta sp." = Sowerbya d'Orbigny 1850 clam
Cephalopoda
 Ammonitida - Hildoceratidae
"Harpoceras exaratum" = Eleganticeras exaratum, "Eleganticeras pseudoelegans" = Eleganticeras elegantulum
"Harpoceras exaratum" = Eleganticeras exaratum Young and Bird 1828 ammonite
"Eleganticeras pseudoelegans" = Eleganticeras elegantulum Young and Bird 1828 ammonite
Gastropoda
 Caenogastropoda - Coelodiscidae
Coelodiscus minutus
Coelodiscus minutus Schubler 1833 snail
 Sorbeoconcha - Procerithiidae
Procerithium cf. fontinense
 Sorbeoconcha - Aporrhaidae
Dicroloma semicostulatum