PRI Loc. 95 (sample 28, replicate B) - Little Cove Point Mbr, St Mary's Fm: Late/Upper Miocene, Maryland

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Hastula inornata Whitfield 1894
7 specimens
Gastropoda - Neotaenioglossa - Calyptraeidae
Crepidula fornicata (Linnaeus 1758)
1 specimen
Crucibulum (Crucibulum) costatum (Say 1820)
2 specimens
recombined as Crucibulum (Dispotaea) costata
Gastropoda - Turritellidae
Turritella plebeia Say 1824
69 specimens
recombined as Mariacolpus plebeia
Turritella sp. Lamarck 1799
3 specimens
Listed as "Turritella subvariabilis/terebriformis"
Gastropoda - Neogastropoda - Nassariidae
Nassarius (Tritiaria) sp. (Conrad 1865)
20 specimens
Gastropoda - Neogastropoda - Columbellidae
Mitrella communis (Conrad 1862)
10 specimens
recombined as Astyris communis
Listed as "Columbina sp."
Gastropoda - Neogastropoda - Turridae
Turridae informal indet. A Swainson 1840
2 specimens
Turridae informal indet. B Swainson 1840
1 specimen
Gastropoda - Neogastropoda - Muricidae
Ecphora tricostata Martin 1904
1 specimen
Typhis acuticosta (Conrad 1830)
1 specimen
Gastropoda - Naticidae
Neverita duplicatus (Say 1822)
5 specimens
Bivalvia - Pectinida - Pectinidae
Chesapecten informal sp. A Ward and Blackwelder 1975
2 specimens
Chesapecten informal sp. B Ward and Blackwelder 1975
2 specimens
Bivalvia - Lucinida - Lucinidae
Lucinoma contracta (Say 1824)
2 specimens
Stewartia anodonta (Say 1824)
1 specimen
Bivalvia - Pholadida - Corbulidae
Caryocorbula sp. (Gardner 1926)
1 specimen
original and current combination Corbula (Caryocorbula)
Bivalvia - Cardiida - Veneridae
Dosinia (Dosinidia) acetabulum (Conrad 1832)
1 specimen
recombined as Dosinia acetabulum
Mercenaria sp. Schumacher 1817
3 specimens
Bivalvia - Cardiida - Mactridae
Mactrodesma subponderosa (d'Orbigny 1852)
76 specimens
Bivalvia - Cardiida - Cardiidae
Chesacardium sp. Ward 1992
7 specimens
Bivalvia - Nuculanida - Yoldiidae
Yoldia laevis (Say 1824)
2 specimens
see common names

Geography
Country:United States State/province:Maryland County:Calvert
Coordinates: 38.4° North, 76.4° West (view map)
Paleocoordinates:38.5° North, 74.6° West
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period:Neogene Epoch:Miocene
10 m.y. bin:Cenozoic 6
Key time interval:Late/Upper Miocene
Age range of interval:11.60800 - 5.33300 m.y. ago
Stratigraphy
Geological group:Chesapeake Formation:St Mary's Member:Little Cove Point
Regional section:Shattuck Regional bed:22-23
Regional order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: STRATIGRAPHIC RELATIONS: Little Cove Point Mbr of St Mary's Fm, Chesapeake Group. AGE: Late Miocene (equivalent to Tortonian) according to Ward (1992). STRATIGRAPHIC POSITION: Unknown position within member.
Lithology and environment
Primary lithology:coarse,shelly/skeletal unlithified sandstone
Includes fossils?Y
Lithology description: SPECIFIC LITHOLOGY: Coase sandstone, shelly. LITHIFICATION: Unlithified, based on observation of specimens.
Environment:coastal indet.
Geology comments: ENVIRONMENT: Shallow-marine, restricted/sheltered, fine-grained siliciclastic environment.
Taphonomy
Modes of preservation:body,original aragonite,original calcite
Size of fossils:macrofossils
Preservation of anatomical detail:good
Collection methods and comments
Collection methods:bulk,sieve,field collection
Minimum sieve size:4.000
Reason for describing collection:paleoecologic analysis
Museum repositories:PRI
Collection method comments: COLLECTOR: Unknown collector. REPOSITORY: PRI. FIDELITY: Moderate ecologic fidelity.
Taxonomic list comments:TAXONOMY: Identified by A. Hendy; nomenclature based on revision of Gardner (1943) [PBDB Ref# 16984]and Ward (1992) [16985].
Metadata
Database number:68978
Authorizer:A. Hendy Enterer:A. Hendy
Modifier:A. Hendy Research group:marine invertebrate
Created:2007-02-14 15:22:57 Last modified:2013-11-25 13:37:23
Access level:authorizer only Released:2008-02-14 15:22:57
Creative Commons license:CC BY
Reference information

Primary reference:

19909. A. J. W. Hendy, D. P. Buick, K. V. Bulinski, C. A. Ferguson, and A. I. Miller. 2008. Unpublished census data from Atlantic coastal plain and circum-Caribbean Neogene assemblages and taxonomic opinions. [A. Hendy/A. Hendy/A. Hendy]