ACh-10 (Moodys Branch) (Eocene of the United States)

Where: Choctaw County, Alabama (31.9° N, 88.3° W: paleocoordinates 32.5° N, 79.4° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Moodys Branch Formation, Bartonian (41.3 - 38.0 Ma)

• supposedly "Auversian"; stage assignment based on Baum et al. 1994. Local section ACh-10.

•Moodys Branch=Bartonian (JAS 14 October 2010)

• bed-level stratigraphic resolution

Environment/lithology: marine; glauconitic, argillaceous, calcareous sandstone

Size class: mesofossils

Primary reference: L. D. Toulmin. 1977. Stratigraphic Distribution of Paleocene and Eocene Fossils in the Eastern Gulf Coast Region. Geological Survey of Alabama, Monograph 13(1):1-602 [M. Patzkowsky/K. Layou/P. Mannion]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 3503: authorized by Mark Patzkowsky, entered by Karen Layou on 04.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa
 Scleractinia - Dendrophylliidae
Endopachys maclurii Lea 1833 stony coral
 Scleractinia - Flabellidae
Flabellum wallesii stony coral
Flabellum cuneiforme wallesii
Flabellum magnocostatum stony coral
Flabellum cuneiforme magnocostatum
Echinoidea
 Clypeasteroida - Protoscutellidae
Periarchus lyelli Conrad 1834 sand dollar
unclassified
  -
Vertebrata indet. Lamarck 1801
fish vertebra
Vertebrata indet. Lamarck 1801
shark teeth
Vertebrata indet. Lamarck 1801
ray dental plate
Gastropoda
 Heterostropha - Acteonidae
Tornatellaea lata Conrad 1834 snail
 Neotaenioglossa - Calyptraeidae
"Calyptraea aperta" = Calyptraea (Trochita) aperta
"Calyptraea aperta" = Calyptraea (Trochita) aperta Solander 1766 slipper shell
 Sorbeoconcha - Naticidae
Natica permunda Conrad 1854 moon snail
 Neogastropoda - Conidae
"Conus tortilis" = Conus sauridens
"Conus tortilis" = Conus sauridens Conrad 1833 cone shell
 Neogastropoda - Turridae
Pleurofusia collaris Casey 1903 turrid
 Neogastropoda - Borsoniidae
Pseudotoma heilprini Aldrich 1885 snail
 Neogastropoda - Buccinidae
Pseudoliva vetusta Conrad 1833 true whelk
Pseudoliva perspectiva Conrad 1860 true whelk
Pseudoliva vetusta perspectiva
 Neogastropoda - Fasciolariidae
Tritonatractus pearlensis Aldrich 1885 snail
originally entered as "Tritonoatractus pearlensis"
 Sorbeoconcha - Rostellariidae
Calyptraphorus stamineus snail
originally entered as "Calytraphorus stamineus"
 Cerithioidea - Turritellidae
Turritella perdita, "Turritella arenicola" = Kapalmerella arenicola
Turritella perdita Conrad 1865 turret shell
"Turritella arenicola" = Kapalmerella arenicola Conrad 1865 turret shell
Bivalvia
 Nuculanida - Nuculanidae
Nuculana multilineata pointed nut clam
 Nuculida - Nuculidae
"Nucula spheniopsis" = Nucula (Nucula) sphenopsis
"Nucula spheniopsis" = Nucula (Nucula) sphenopsis Conrad 1865 nut clam
 Lucinida - Lucinidae
Saxolucina gaufia Harris 1946 clam
 Pholadida - Corbulidae
"Caryocorbula densata" = Corbula densata Conrad 1854 clam
 Cardiida - Cardiidae
Nemocardium nicolletti Conrad 1854 cockle
 Cardiida - Tellinidae
Tellina linifera tellin clam
 Cardiida - Veneridae
Callista annexa Conrad 1865 venus clam
Pitar securiformis Conrad 1865 venus clam
 Cardiida - Mactridae
Spisula sp. Gray 1837 clam
 Carditida - Carditidae
Venericardia sp. Lamarck 1801 clam
originally entered as "Venericardia spp."
"Venericardia diversidentata" = Venericardia (Rotundicardia) diversidentata Meyer 1885 clam
 Carditida - Astartidae
Lirodiscus scutellarius clam
Lirodiscus tellinoides scutellarius
Lirodiscus jacksonensis Meyer 1885 clam
 Carditida - Crassatellidae
Bathytormus flexurus Conrad 1854 clam
 Arcida - Glycymerididae
Glycymeris filosa Conrad 1854 clam
 Ostreida - Gryphaeidae
Gigantostrea trigonalis Conrad 1854 oyster
 Ostreida - Ostreidae
Ostrea sp. Linnaeus 1758 oyster
originally entered as "Ostrea spp."
 Pectinida - Pectinoidae
Eburneopecten scintillatus Conrad 1854 scallop
Sedentaria
 Sabellida - Serpulidae
Serpula sp. Linnaeus 1758