Brochterbeck (Cretaceous of Germany)

Where: Westphalia, Germany (52.2° N, 7.8° E: paleocoordinates 41.2° N, 8.0° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Acanthoceras rhotomagense ammonoid zone, Brochterbeck Formation, Middle Cenomanian (99.6 - 93.5 Ma)

• bed 27-97

• bed-level stratigraphic resolution

Environment/lithology: lithified lime mudstone and limestone

• dark gray marlstones (single bed max. 120 cm. thick), white-yellow limestones (up to 100 cm.), and subordinate marly limestones.

Size class: macrofossils

Preservation: cast

Collection methods: bulk, surface (in situ), mechanical,

Primary reference: J. Lehmann. 1999. Integrated stratigraphy and palaeoenvironment of the Cenomanian-Lower Turonian (Upper Cretaceous) of Northern Westphalia, North Germany. Facies 40:25-70 [C. Marshall/S. Low]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 4067: authorized by Charles Marshall, entered by Sofy Low on 13.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

• Inoceramids and Ammonites only. Calcispheres also present.
Cephalopoda
 Ammonitida - Hamitidae
Hamites cf. subvirgulatus Spath 1941 ammonite
originally entered as "Hamites cf. subvirgulatus"
Hamites cf. duplicatus Pictet and Campiche 1861 ammonite
originally entered as "Hamites cf. duplicatus"
Hamites simplex d'Orbigny 1842 ammonite
 Ammonitida - Turrilitidae
Turrilites costatus Lamarck 1801 ammonite
Turrilites scheuchzerianus Bosc 1801 ammonite
 Ammonitida - Anisoceratidae
Idiohamites aff. alternatus ammonite
originally entered as "Idiohamites aff. alternatus"
Anisoceras sp. Pictet 1854 ammonite
"Anisoceras cf. plicatile" = Anisoceras plicatilis Sowerby 1819 ammonite
originally entered as "Anisoceras cf. plicatile"
 Ammonitida - Baculitidae
Sciponoceras sp., "Sciponoceras baculoide" = Sciponoceras baculoides
Sciponoceras sp. Hyatt 1894 ammonite
"Sciponoceras baculoide" = Sciponoceras baculoides Mantell 1822 ammonite
 Ammonitida - Acanthoceratidae
Acanthoceras cf. rhotomagense Brongniart 1822 ammonite
originally entered as "Acanthoceras cf. rhotomagense"
 Ammonitida - Schloenbachiidae
Schloenbachia varians Sowerby 1817 ammonite
 Ammonitida - Desmoceratidae
"Puzosia mayoriana" = Puzosia (Puzosia) mayoriana
"Puzosia mayoriana" = Puzosia (Puzosia) mayoriana d'Orbigny 1841 ammonite
 Belemnitida -
 Belemnitida - Belemnitellidae
Actinocamax sp. Miller 1823 belemnite
Actinocamax primus Arkhangelsky 1912 belemnite
Bivalvia
 Myalinida - Inoceramidae
Inoceramus crippsii clam
"crippsii crippsii" - originally entered as "Inoceramus crippsii crippsii"
Inoceramus crippsii clam
"crippsii ssp." - originally entered as "Inoceramus crippsii ssp."
Inoceramus crippsii clam
"crippsii hoppenstedtensis" - originally entered as "Inoceramus crippsii hoppenstedtensis"
Inoceramus cf. schoendorfi clam
originally entered as "Inoceramus cf. schoendorfi"
Inoceramus aff. schoendorfi clam
originally entered as "Inoceramus aff. schoendorfi"
Inoceramus sp. n. sp. Sowerby 1814 clam
"n. sp. ?" - originally entered as "Inoceramus n. sp. ?"
"Inoceramus pictus" = Inoceramus (Inoceramus) pictus Sowerby 1829 clam
"pictus bohemicus" - originally entered as "Inoceramus pictus bohemicus"
Inoceramus virgatus Schl├╝ter 1877 clam
"virgatus spp." - originally entered as "Inoceramus virgatus spp."