Aguja Baculites Klein (Cretaceous of the United States)

Where: Brewster County, Texas (29.8° N, 103.3° W: paleocoordinates 36.3° N, 76.5° W)

• coordinate based on political unit

• basin-level geographic resolution

When: Baculites scotti ammonoid zone, Aguja Formation, Middle Campanian (83.5 - 70.6 Ma)

• Haustator bilira assemblage zone

• group of beds-level stratigraphic resolution

Environment/lithology: marine; sandstone

Size classes: macrofossils, mesofossils

Collection methods: Klein 1986

Primary reference: J. J. Klein. 1986. Paleoecology of the Aguja formation, Brewster County, Texas. Masters thesis, Stephen F. Austin State University 1-119 [M. Kosnik/M. Kosnik]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 7470: authorized by Matt Kosnik, entered by Matt Kosnik on 18.07.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Myalinida - Inoceramidae
Inoceramus cummingsi clam
Inoceramus cummingsi
 Pectinida - Anomiidae
cf. Anomia mexicana jingle
Anomia cf. A. mexicana
 Ostreida - Ostreidae
Flemingostrea subspatulata oyster
Flemingostrea subspatulata
Pseudoperna congesta oyster
Pseudoperna congesta
 Mytilida - Mytilidae
Brachidontes sp. Swainson 1840 mussel
Brachidontes sp.
 Carditida - Carditidae
Venericardia sp. Lamarck 1801 clam
Venericardia sp.
 Hippuritida - Caprinidae
cf. Caprina coraloidea rudist
Caprinella cf. C. coraloidea
 Cardiida - Mactridae
Cymbophora berryi clam
Cymbophora berryi
Cymbophora scabellum clam
Cymbophora scabellum
 Cardiida - Tellinidae
cf. Tellina munda tellin clam
Tellina cf. T. munda
 Cardiida - Cardiidae
cf. Ethmocardium welleri cockle
Ethmocardium cf. E. welleri
Granocardium sp. Gabb 1868 cockle
Granocardium sp.
 Pholadomyida - Pholadomyidae
cf. Pholadomya coahuilensis clam
Pholadomya cf. P. coahuilensis
 Protobranchia - Nuculanidae
Nuculana sp. Link 1807 pointed nut clam
Nuculana sp.
Gastropoda
 Neogastropoda - Volutidae
Volutomorpha sp. Gabb 1877 volute
Volutomorpha sp. A Klein 1986
 Neogastropoda - Tudiclidae
Pyropsis sp. Conrad 1860 snail
Pyropsis sp.
 Naticoidea - Naticidae
Gyrodes americanus moon snail
Gyrodes americanus
Gyrodes major Wade 1926 moon snail
Gyrodes major
Gyrodes supraplicatus Conrad 1858 moon snail
Gyrodes supraplicatus
 Sorbeoconcha - Pachychilidae
Melanatria venusta snail
Melanatria venusta
Cephalopoda
 Ammonitida - Placenticeratidae
cf. Placenticeras meeki ammonite
Placenticeras cf. P. meeki
Placenticeras sp. Meek 1876 ammonite
Placenticeras sp.
cf. Placenticeras syrtale Morton 1834 ammonite
Placenticeras cf. P. syrtale
 Ammonitida - Baculitidae
Baculites sp. Lamarck 1799 ammonite
Baculites sp.
Baculites ovatus Say 1820 ammonite
Baculites ovatus
Echinoidea
 Cassiduloida -
"Hardouinia sp." = Harduinia
"Hardouinia sp." = Harduinia d'Archiac and Haime 1853 sea urchin
Hardouinia sp.