Route 23 roadcut (H76-31-3): Lutetian, Alabama

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia
15 specimens
misc. bivalves, 15 species, 1 specimen each.
Bivalvia - Ostreida - Ostreidae
41 specimens
Bivalvia - Pectinida - Pectinidae
3 specimens
originally entered as "Eburneopecten cf. scintillatus"
Bivalvia - Arcida - Glycymerididae
Glycymeris trigonella (Conrad 1833)
4 specimens
Bivalvia - Arcida - Arcidae
Arcidae indet. Lamarck 1809
4 specimens
originally entered as "Arcid sp."
4 specimens
(Plagiarca)
1208 specimens
(Pachecoa)
Trinacria cuneus (Conrad 1833)
1 specimen
Bivalvia - Carditida - Carditidae
Venericardia densata (Conrad 1845)
42 specimens
(Venericor)
Bivalvia - Lucinida - Lucinidae
Lucinidae indet. Fleming 1828
25 specimens
"Lucinid sp. A"
2 specimens
(Cavilinga)
Bivalvia - Cardiida - Veneridae
Callista sp. Poli 1791
9 specimens
Pitar sp. Römer 1857
6 specimens
Bivalvia - Cardiida - Mactridae
1 specimen
    = Spisula parilis Conrad 1833
Palmer and Brann 1965
Bivalvia - Pholadida - Corbulidae
8 specimens
3 specimens
13 specimens
Bivalvia - Nuculanida - Nuculanidae
1 specimen
(Calorhadia)
63 specimens
Bivalvia - Nuculida - Nuculidae
Nucula mauricensis (Harris 1919)
10 specimens
(Nucula)
Gastropoda - Turritellidae
Turritella sp. Lamarck 1799
359 specimens
45 specimens
originally entered as "Turritella ? nasuta"
Mesalia cf. vetusta (Conrad 1833)
3 specimens
originally entered as "Mesalia cf. vetusta"
Gastropoda - Neotaenioglossa - Calyptraeidae
Calyptraea aperta (Solander 1766)
3 specimens
Crepidula sp. Lamarck 1799
1 specimen
Gastropoda - Hipponicidae
3 specimens
Gastropoda - Naticidae
1 specimen
Neverita ? limula (Conrad 1833)
102 specimens
originally entered as "Neverita ? limula"
Gastropoda - Rostellariidae
1 specimen
Gastropoda - Neogastropoda - Olividae
Ancilla staminea Conrad 1832
3 specimens
punctilifera
Gastropoda - Neogastropoda - Melongenidae
12 specimens
Gastropoda - Neogastropoda - Buccinidae
Terebrifusus amoenus (Conrad 1833)
4 specimens
Pseudoliva vetusta (Conrad 1833)
3 specimens
33 specimens
Gastropoda - Neogastropoda - Volutidae
3 specimens
7 specimens
Gastropoda - Neogastropoda - Cancellariidae
8 specimens
Gastropoda - Neogastropoda - Mitridae
1 specimen
Gastropoda - Heterostropha - Mathildidae
2 specimens
striata
Gastropoda - Heterostropha - Acteonidae
Actaeon idoneus Conrad 1833
3 specimens
originally entered as "Acteon idoneus"
Gastropoda - Heterostropha - Ringiculidae
9 specimens
"(subsp. deusseni?)"
Gastropoda - Heterostropha - Architectonicidae
1 specimen
Gastropoda - Opisthobranchiata - Retusidae
24 specimens
(Cylichnina)
6 specimens
Scaphopoda - Gadilida - Gadilidae
Cadulus sp. Philippi 1844
12 specimens
Anthozoa
Anthozoa indet. Ehrenberg 1834
27 specimens
coral sp. A
see common names

Geography
Country:United States State/province:Alabama County:Choctaw
Coordinates: 31.8° North, 88.3° West (view map)
Paleocoordinates:35.5° North, 68.4° West (Wright 2013)
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period: Paleogene Epoch: Eocene
Stage: Lutetian 10 m.y. bin: Cenozoic 2
*Period:Tertiary
Key time interval: Lutetian
Age range of interval: 48.07 - 41.03 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Lisbon Member:Upper
Local section:H76-31 Local bed:3
Stratigraphic resolution:bed
Lithology and environment
Primary lithology:gray,red or brown unlithified sandy siltstone
Environment:offshore Tectonic setting:passive margin
Geology comments: "massive gray blue silty-sand, weathering brown. diverse and well preserved fossil assemblage."
Taphonomy
Modes of preservation:body
Collection methods and comments
Collection methods:bulk,mechanical,sieve,field collection
Reason for describing collection:paleoecologic analysis
Metadata
Also known as:H76-31
Database number:1438
Authorizer:T. Hansen, J. Sessa Enterer:M. Sommers, J. Sessa
Modifier:J. Alroy Research group:marine invertebrate
Created:1999-04-15 14:32:21 Last modified:2025-02-22 15:12:02
Access level:the public Released:2000-11-20 13:53:12
Creative Commons license:CC0
Reference information

Primary reference:
42. T. A. Hansen. 1978. Ecological control of evolutionary rates in Paleocene - Eocene marine molluscs. Ph.D. Thesis, Yale University 1-310 [T. Hansen/M. Sommers/A. Clement]

Secondary references:

11845 K. V. Palmer and D. C. Brann. 1965. Catalogue of the Paleocene and Eocene mollusca of the southern and eastern United States. Part 1. Pelecypoda, Amphineura, Peteropoda, Scaphopoda and Cephalopoda. Bulletins of American Paleontology 48:1-471 [M. Kosnik/M. Kosnik/J. Alroy]