Warminster [Mantelliceras saxbii zone] (Cretaceous of the United Kingdom)

Where: England, United Kingdom (51.2° N, 2.2° W: paleocoordinates 40.0° N, 0.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Mantelliceras saxbii ammonoid zone, Chalk Marl Member (West Melbury Marly Chalk Formation), Early/Lower Cenomanian (99.6 - 93.5 Ma)

• STRATIGRAPHIC RELATIONS: From the upper Chalk Marl, for which lithostratigraphic relationships are not discussed. AGE: Cenomanian, on the basis of ammonite biostratigraphy. STRATIGRAPHIC POSITION: From the upper part of the Chalk Marl within local section. PJW: Upper Chalk Marl spans Mantelliceras dixoni + Turrilites costatus zones. Now the West Melbury Marly Chalk.

• member-level stratigraphic resolution

Environment/lithology: coastal; lithified sandstone

• ENVIRONMENT: Not stated in text, but presumably shallow marine siliciclastic setting.
• SPECIFIC LITHOLOGY: Sandstone. LITHIFICATION: Lithified, on the basis of figured specimens.

Size class: macrofossils

Reposited in the BMNH

Collection methods: surface (in situ),

• COLLECTOR: Not stated in text. REPOSITORY: British Museum (Natural History).

Primary reference: P. Juignet and W. J. Kennedy. 1976. Faunes d’ammonites et biostratigraphie compareé du Cénomanien du nord-ouest de la France (Normandie) et du sud de l’Angleterre. Bulletin trimestriel de la Société Géologique de Normandie et Amis du Muséum du Havre 63:1-193 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 230775: authorized by Pete Wagner, entered by Pete Wagner on 20.07.2023

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Limited to Turritellidae and Mathididae described in text. NOMENCLATURE: Authoritative publication, with modern nomenclature and species-resolution identifications.
Cephalopoda
 Phylloceratida - Phylloceratidae
 Ammonitida - Schloenbachiidae
Schloenbachia subplana ammonite
Schloenbachia varians subplana
Schloenbachia ventriosa ammonite
Schloenbachia varians ventriosa
Schloenbachia varians Sowerby 1817 ammonite
Schloenbachia varians varians
"Schloenbachia subtuberculata" = Schloenbachia varians subtuberculata Gerhardt 1897 ammonite
Schloenbachia varians subplana
 Ammonitida - Hoplitidae
Hyphoplites interpolatus ammonite
Hyphoplites falcatus interpolatus
Hyphoplites falcatus Mantell 1822 ammonite
Hyphoplites falcatus falcatus
Hyphoplites campichei Spath 1925 ammonite
Hyphoplites curvatus Mantell 1822 ammonite
"Hyphoplites arausionensis" = Hyphoplites curvatus arausionensis Hébert and Munier-Chalmas 1875 ammonite
 Ammonitida - Tetragonitidae
"Mesogaudryceras leptonema" = Gaudryceras (Mesogaudryceras) leptonema
"Mesogaudryceras leptonema" = Gaudryceras (Mesogaudryceras) leptonema Sharpe 1855 ammonite
 Ammonitida - Desmoceratidae
Desmoceras spp. Zittel 1884 ammonite
Austiniceras austeni Sharpe 1855 ammonite
Puzosia spp. Bayle 1878 ammonite
Puzosia octosulcata Sharpe 1853 ammonite
 Ammonitida - Forbesiceratidae
Forbesiceras spp. Kossmat 1897 ammonite
 Ammonitida - Acanthoceratidae
Acompsoceras spp. Hyatt 1903 ammonite
Acompsoceras renevieri Sharpe 1857 ammonite
Acompsoceras sarthense Guéranger 1867 ammonite
Sharpeiceras laticlavium Sharpe 1855 ammonite
Mantelliceras spp. Hyatt 1903 ammonite
"Mantelliceras costatum" = Mantelliceras lymense Spath 1926 ammonite
Mantelliceras mantelli Sowerby 1814 ammonite
Mantelliceras saxbii Sharpe 1857 ammonite
Mantelliceras tenue Spath 1926 ammonite
Mantelliceras cantianum Spath 1926 ammonite
 Ammonitida - Hamitidae
 Ammonitida - Turrilitidae
Hypoturrilites tuberculatus Bosc 1801 ammonite
Hypoturrilites gravesianus d'Orbigny 1842 ammonite
Hypoturrilites mantelli Sharpe 1857 ammonite
"Hypoturrilites aff. carcitanensis" = Neostlingoceras carcitanensis Matheron 1842 ammonite
 Ammonitida - Baculitidae
Sciponoceras spp. Hyatt 1894 ammonite
 Ammonitida - Scaphitidae
Scaphites aff. equalis Sowerby 1813 ammonite
Scaphites obliquus Sowerby 1813 ammonite