Anacacho (collective) (Cretaceous of the United States)

Where: Texas (29.2° N, 100.3° W)

• Paleocoordinates: 37.8° N, 65.7° W (Wright 2013)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Bostrychoceras polyplocum ammonoid zone, Anacacho Limestone Formation, Middle Campanian (83.6 - 72.2 Ma)

• AGE: Late Campanian, on the basis of ammonoid biostratigraphy; Bostrychoceras polyplocum zone; was originally entered as Middle Campanian. Comment by J. Sessa: Swezey and Sullivan (2004) correlate this bed to the Baculites maclearni zone, which is middle Campanian in Gradstein et al., 2004. Also, Bostrychoceras polyplocum zone spans almost the entire middle Campanian and part of the upper Campanian, thus I have changed the interval back to middle Campanian.

Environment/lithology: marine; carbonate

Size class: mesofossils

Collection methods: this list is a compilation of field and museum collections as well as the literature

Primary reference: W. P. Elder. 1996. Bivalves and Gastropods from the Middle Campanian Anacacho Limestone, south central Texas. Journal of Paleontology 70(2):247-271 [M. Patzkowsky/K. Layou/J. Alroy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 3632: authorized by Mark Patzkowsky, entered by Karen Layou on 05.08.1999

Creative Commons license: CC0 (CC0)

Taxonomic list

Echinoidea
 Salenioida - Saleniidae
Salenia hondoensis Cooke 1953 sea urchin
 Clypeasteroida - Faujasiidae
"Phyllobrissus cubensis" = Petalobrissus cubensis
"Phyllobrissus cubensis" = Petalobrissus cubensis Weisbord 1934 sand dollar
 Spatangoida - Schizasteridae
Proraster dalli Clark 1891 heart urchin
 Holasteroida - Holasteridae
Echinocorys texanus Cragin 1893 sea urchin
originally entered as "Echinochorys texanus"
Polychaeta
 Serpulimorpha -
Rhynchonellata
 Terebratulida - Cancellothyrididae
"Terebratulina cf. filosa" = Cricosia filosa
"Terebratulina cf. filosa" = Cricosia filosa Conrad 1866
originally entered as "Terebratulina cf. filosa"
Cephalopoda
 Ammonitida - Nostoceratidae
 Ammonitida - Baculitidae
Baculites taylorensis Adkins 1929 ammonite
 Ammonitida - Diplomoceratidae
 Ammonitida - Pachydiscidae
 Nautiloidea -
? Nautiloidea indet. Agassiz 1847 nautiloid
originally entered as "Nautiloidea? indet."
Bivalvia
 Nuculida - Nuculidae
Nucula cf. stantoni Stephenson 1923 nut clam
originally entered as "Nucula cf. stantoni"
 Myalinida - Inoceramidae
"Inoceramus balticus" = Cataceramus balticus
"Inoceramus balticus" = Cataceramus balticus Bohm 1907 clam
 Pectinida - Dimyidae
Atreta minor scallop
Atreta cretacea minor
 Pectinida - Neitheoidae
Neithea quinquecostata Sowerby 1814 scallop
 Pectinida - Pectinoidae
? Spondylus siccus n. sp. scallop
originally entered as "?Spondylus siccus n. sp."
Spondylus sp. Linnaeus 1758 scallop
? Lyriochlamys sp. Sobetski 1977 scallop
originally entered as "?Lyriochlamys? sp."
Camptonectes cf. bellisculptus scallop
originally entered as "Camptonectes cf. bellisculptus"
 Pectinida - Limidae
"Limea reticulata" = Pseudolimea reticulata, Lima sp.
"Limea reticulata" = Pseudolimea reticulata Forbes 1845 file clam
Lima sp. Bruguière 1797 file clam
 Pectinida - Plicatulidae
Plicatula aff. clarki scallop
originally entered as "Plicatula aff. clarki"
 Pectinida - Anomiidae
? Paranomia cf. scabra Morton 1834 jingle
originally entered as "Paranomia? cf. scabra"
 Ostreida - Pinnidae
Pinna cf. laqueata Conrad 1858 oyster
originally entered as "Pinna cf. laqueata"
 Ostreida - Gryphaeidae
Exogyra erraticostata oyster
Exogyra ponderosa erraticostata
 Arcida - Cucullaeidae
Cucullaea sp. Lamarck 1801 clam
 Arcida - Arcidae
? Barbatia sp., "Arca cf. carolinensis" = Barbatia carolinensis
? Barbatia sp. Gray 1842 clam
originally entered as "Barbatia? sp."
"Arca cf. carolinensis" = Barbatia carolinensis Conrad 1849 clam
originally entered as "Arca cf. carolinensis"
 Trigoniida - Megatrigonioidae
Pterotrigonia sp. van Hoepen 1929 clam
 Pholadomyida - Pholadomyidae
 Poromyida - Poromyidae
Liopistha alternata Weller 1907 clam
Cymella cf. ironensis clam
originally entered as "Cymella cf. ironensis"
 Hiatellida - Hiatellidae
 Solenida - Pharidae
Leptosolen aff. biplicatus clam
originally entered as "Leptosolen aff. biplicatus"
 Cardiida - Cardiidae
Granocardium cf. conradi cockle
originally entered as "Granocardium cf. conradi"
Granocardium dumosum Conrad 1870 cockle
Protocardia cf. spillmani cockle
originally entered as "Protocardia cf. spillmani"
 Hippuritida - Requieniidae
Requieniidae indet. Douvillé 1914 rudist
 Hippuritida - Monopleuridae
? Monopleura sp. Matheron 1842 rudist
originally entered as "Monopleura? sp."
 Hippuritida - Radiolitidae
Durania sp. Douvillé 1908 rudist
cf. Distefanella sp. Parona 1901 rudist
originally entered as "cf. Distefanella sp."
 Lucinida - Lucinidae
Lucina cf. glebula clam
originally entered as "Lucina cf. glebula"
 Carditida - Carditidae
 Carditida - Crassatellidae
Crassatella cf. hodgei Stephenson 1923 clam
originally entered as "Crassatella cf. hodgei"
Gastropoda
 Sorbeoconcha - Naticidae
Gyrodes cf. major Wade 1926 moon snail
originally entered as "Gyrodes cf. major"
Euspira cf. rectilabrum Conrad 1858 moon snail
originally entered as "Euspira cf. rectilabrum"
 Sorbeoconcha - Capulidae
Capulus aff. cuthandensis Stephenson 1941 snail
"n. sp. aff. cuthandensis" - originally entered as "Capulus n. sp. aff. cuthandensis"
 Sorbeoconcha - Aporrhaidae
? Drepanochilus aff. corbetensis snail
originally entered as "Drepanochilus? aff. corbetensis"
 Neogastropoda - Turbinellidae
? Napulus sp. Stephenson 1941 snail
originally entered as "Napulus? sp."
 Neogastropoda - Paladmetidae
? Paladmete aff. cancelleria snail
originally entered as "Paladmete? aff. cancelleria"
 Neogastropoda - Volutidae
Volutomorpha aff. conradi Gabb 1860 volute
originally entered as "Volutomorpha aff. conradi"
 Neogastropoda - Fasciolariidae
? Graphidula sp. Stephenson 1941 snail
originally entered as "Graphidula? sp."
? Euthriofusus aff. convexus Wade 1926 snail
originally entered as "Euthriofusus? aff. convexus"
 Neogastropoda - Pyropsidae
Pyropsis aff. proxima Wade 1926 snail
"n. sp. aff. proxima" - originally entered as "Pyropsis n. sp. aff. proxima"
Scaphopoda
  -
Scaphopoda indet. Bronn 1862 tusk shell