PBDB Collection

ACh-6 Hatchetigbee: Ypresian, Alabama

List of taxa

Where & when

Geology

Taphonomy & methods

Metadata & references

Taxonomic list

Chondrichthyes - Selachii

	Selachii indet.	16 specimens
	teeth
unclassified

	Lyrodiscus smithvillensis	2 specimens
Pisces

	Pisces indet. Linnaeus 1758	5 specimens
	Vertebra
Bivalvia - Carditida - Carditidae

	Venericardia horatiana Gardner 1927	5 specimens

	Venericardia bashiplata Gardner and Bowles 1939	19 specimens

	cf. Venericardia bashiplata Gardner and Bowles 1939	2 specimens
Bivalvia - Cardiida - Veneridae

	Macrocallista sylvaerupis	3 specimens

	Pitar nuttalliopsis	4 specimens
Bivalvia - Arcida - Arcidae

	Barbatia cuculloides (Conrad 1833)	1 specimen
	Barbatia cuculloides var.
Bivalvia - Pectinida - Pectinidae

	Chlamys choctavensis (Aldrich 1895)	21 specimens
Bivalvia - Ostreida - Gryphaeidae

	Gigantostrea sylvaerupis	2 specimens
Bivalvia - Ostreida - Ostreidae

	cf. Ostrea sinuosa	5 specimens
Gastropoda - Heterostropha - Architectonicidae

	? Architectonica sylvaerupis	1 specimen
Gastropoda - Heterostropha - Acteonidae

	Tornatellaea bella Conrad 1860	6 specimens
Gastropoda - Turritellidae

	Turritella gilberti	7 specimens
Gastropoda - Naticidae

	Sigatica clarkeana (Aldrich 1887)	1 specimen

	Sinum sp. Röding 1798	6 specimens
	"Sinum bilix"
Gastropoda - Cymatiidae

	Ranella tuomeyi	1 specimen
Gastropoda - Rostellariidae

	Calyptraphorus trinodiferus	3 specimens
Gastropoda - Neogastropoda - Fasciolariidae

	Lirofusus subtenuis	1 specimen
Gastropoda - Neogastropoda - Nassariidae

	cf. Bullia altilis (Conrad 1832)	12 specimens
	cf. Bullia altilis subglobosa
Gastropoda - Neogastropoda - Buccinidae

	Pseudoliva vetusta (Conrad 1833)	5 specimens
	Pseudoliva vetusta forma
Gastropoda - Neogastropoda - Volutidae

	Athleta tuomeyi	8 specimens

	Caricella heilprini	1 specimen
Gastropoda - Hipponicidae

	Hipponix sylvaerupis	1 specimen
Scaphopoda - Gadilida - Gadilidae

	Cadulus sp. Philippi 1844	1 specimen
	"Cadulus abruptus"
Anthozoa - Scleractinia - Dendrophylliidae

	Balanophyllia desmophyllum Milne-Edwards and Haime 1848	2 specimens

	Balanophyllia haleana (Milne-Edwards and Haime 1848)	5 specimens
see common names

Country:	United States	State/province:	Alabama	County:	Choctaw
Coordinates:	32.1° North, 88.2° West (view map)
Paleocoordinates:	35.8° North, 64.6° West (Wright 2013)
Basis of coordinate:	based on nearby landmark
Geographic resolution:	small collection

Period:	Paleogene	Epoch:	Eocene
Stage:	Ypresian	10 m.y. bin:	Cenozoic 2
Key time interval:	Ypresian
Age range of interval:	56 - 47.8 m.y. ago

Geological group:	Wilcox	Formation:	Hatchetigbee Bluff	Member:	Bashi
Stratigraphic resolution:	group of beds
Stratigraphy comments: None.

Primary lithology:	fine,medium,glauconitic,green,yellow unlithified calcareous sandstone
Lithology description: Sand, dusky yellowish-green, weathers reddish brown, fine to medium-grained, glauconitic, slightly clayey, calcareous, very fossiliferous; contains a layer of large spheroidal concretions.
Environment:	shallow subtidal indet.

Modes of preservation:	body
Size of fossils:	mesofossils

Collection methods:	field collection
Reason for describing collection:	biostratigraphic analysis

Database number:	80776
Authorizer:	A. Miller	Enterer:	J. Sessa
Modifier:	J. Sessa	Research group:	GCP,marine invertebrate
Created:	2008-05-07 05:50:20	Last modified:	2025-02-22 15:12:02
Access level:	the public	Released:	2008-05-07 05:50:20
Creative Commons license:	CC0

34008		L. C. Ivany, C. Pietsch, J. C. Handley, R. Lockwood, W. D. Allmon and J. A. Sessa. 2018. Little lasting impact of the Paleocene-Eocene Thermal Maximum on shallow marine mollusk faunas. Science Advances [J. Sessa/J. Sessa/J. Sessa]
29915		J. A. Sessa, T. J. Bralower, M. E. Patzkowsky, J. C. Handley, and L. C. Ivany. 2012. Environmental and biological controls on the diversity and ecology of Late Cretaceous through early Paleogene marine ecosystems in the US Gulf Coastal Plain. Paleobiology 38(2):218-239 [M. Patzkowsky/J. Sessa/J. Sessa]