Aguja Ethmocardium 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 7466: authorized by Matt Kosnik, entered by Matt Kosnik on 18.07.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Arcida - Arcidae
Arca pergracilis ark
Arca pergracilis
Arca securiculata ark
Arca securiculata
Arca sp. Linnaeus 1758 ark
Arca sp.
 Arcida - Parallelodontidae
Nemodon eufaulensis clam
Nemodon eufaulensis [entered as Nemodon eufaulensis]
 Pectinida - Limidae
cf. Pseudolimea reticulata file clam
Lima cf. L. reticulata
Lima coahuilensis file clam
Lima coahuilensis
 Pectinida - Anomiidae
cf. Anomia mexicana jingle
Anomia cf. A. mexicana
 Carditida - Carditidae
Venericardia sp. Lamarck 1801 clam
Venericardia sp.
 Cardiida - Gastrochaenidae
Gastrochaena sp. Spengler 1783 clam
Gastrochaena sp.
 Cardiida - Mactridae
Cymbophora berryi clam
Cymbophora berryi
Cymbophora scabellum clam
Cymbophora scabellum
Cymbophora sp. Gabb 1869 clam
Cymbophora sp. A Klein 1986
 Cardiida - Tellinidae
"Linearia sp." = Linearis, cf. Tellina munda
"Linearia sp." = Linearis Conrad 1860 tellin clam
Linearia sp. A Klein 1986
cf. Tellina munda tellin clam
Tellina cf. T. munda
 Cardiida - Cardiidae
cf. Ethmocardium welleri cockle
Ethmocardium cf. E. welleri
"Pachycardium wadei" = Protocardia (Pachycardium) cockle
Pachycardium wadei
Granocardium sp. Gabb 1868 cockle
Granocardium sp.
 Protobranchia - Nuculanidae
Nuculana sp. Link 1807 pointed nut clam
Nuculana sp.
Gastropoda
 Architaenioglossa - Ampullinidae
"cf. Pseudamaura abnormalis" = Ampullina (Pseudamaura), "cf. Pseudamaura densatus" = Ampullina (Pseudamaura)
"cf. Pseudamaura abnormalis" = Ampullina (Pseudamaura) snail
Pseudomaura cf. P. abnormalis
"cf. Pseudamaura densatus" = Ampullina (Pseudamaura) snail
Pseudomaura cf. P. densatus
 Neogastropoda - Buccinidae
Buccinopsis greenensis true whelk
Buccinopsis greenensis
 Stromboidea - Aporrhaidae
Pugnellus sp. Conrad 1860 snail
Pugnellus sp.
 Naticoidea - Naticidae
Gyrodes americanus moon snail
Gyrodes americanus
Gyrodes supraplicatus Conrad 1858 moon snail
Gyrodes supraplicatus
 Hypsogastropoda - Maturifusidae
Astandes sp. snail
Astandes sp.
 Sorbeoconcha - Turritellidae
"cf. Turritella bilira" = Turritella (Sohlitella) bilira, "cf. Haustator trilira" = Turritella trilira
"cf. Turritella bilira" = Turritella (Sohlitella) bilira Stephenson 1941 turret shell
Turritella cf. T. bilara
"cf. Haustator trilira" = Turritella trilira Conrad 1860 turret shell
Turritella cf. T. trilara
 Heterostropha - Acteonidae
Goniocylichna sp. Wade 1926 snail
Goniocylichna sp.
 Heterostropha - Ringiculidae
? Ringicula sp. Deshayes 1838 snail
Ringicula sp?