Also known as Brightseat; USGS # 32773
Where: Prince Georges County, Maryland (38.9° N, 76.9° W: paleocoordinates 39.7° N, 52.8° W)
• small collection-level geographic resolution
When: Discoscaphites conradi ammonoid zone, uppermost Member (Severn Formation), Late/Upper Maastrichtian (70.6 - 66.0 Ma)
• Haustator bilira assemblage zone
• member-level stratigraphic resolution
Environment/lithology: marine; glauconitic, gray, argillaceous sandstone
Size class: macrofossils
Preservation: original aragonite, original calcite
Reposited in the USGS
Collection methods: bulk,
• Sohl collection
Primary reference: N. F. Sohl and C. F. Koch. 1987. Upper Cretaceous (Maestrichtian) larger invertebrates from the Haustator bilira Assemblage Zone in the Atlantic Coastal Plain with further data for the East Gulf. USGS Open File Report 87-194:1-172 [M. Kosnik/M. Kosnik]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 4372: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
| |
Anthozoa | |
| |
unclassified | |
| |
Polychaeta | |
| |
Cephalopoda | |
| |
| |
| |
Bivalvia | |
| |
"Perissonata protexta" = Perrisonota
| |
Nuculana whitfieldi, "Nuculana rostrotruncata" = Nuculana rostratruncata
"Nuculana rostrotruncata" = Nuculana rostratruncata Gardner 1916 pointed nut clam Nuculana rostrotruncata (Gardner)
| |
| |
| |
| |
Syncyclonema simplicius scallop Syncylonema simplicus (Conrad) - originally entered as "Syncylonema simplicius"
| |
| |
| |
| |
| |
| |
| |
"Cucullaea (Idonearca) capax" = Idonearca capax
| |
| |
| |
| |
Laternula ? robusta clam Laternula ? robusta Stephenson - originally entered as "Laternula ? robusta"
| |
| |
| |
Caestocorbula (Parmicorbula) percompressa clam Caesticorbula (Parmicorbula) perco - originally entered as "Caesticorbula percompressa"
Caestocorbula (Caesticorbula) crassaplica Vincent 1910 clam Caesticorbula (Caesticorbula) cras - originally entered as "Caesticorbula crassaplica"
| |
| |
Tellinimera gabbi, Aenona eufaulensis, Solyma gardnerae, "Linearia metastriata" = Linearis, Tellina sp.
Tellinimera gabbi tellin clam Tellinimeria gabbi Gardner - originally entered as "Tellinimeria gabbi"
| |
| |
| |
| |
| |
| |
| |
| |
| |
Gastropoda | |
Mathilda cf. cedarensis Stephenson 1941 snail Mathilda cf. M. cedarensis Stephen - originally entered as "Mathilda cf. cedarensis"
| |
Promathilda (Clathrobaculus) cf. parvula Sohl 1960 snail Promathilda (Clathrobaculus) cf. P - originally entered as "Promathilda cf. parvula"
| |
"Actaeon sp." = Acteon
| |
"Ringicula (Ringiculella) clarki" = Ringicula (Ringiculina) clarki
"Ringicula (Ringiculella) clarki" = Ringicula (Ringiculina) clarki Durham 1944 snail Ringicula (Ringiculella) clarki Ga
| |
| |
| |
Acirsa (Hemiacirsa) aff. americana Wade 1926 wentletrap Acirsa (Hemiacirsa) aff. A americ - originally entered as "Acirsa aff. americana"
| |
"Turritella (Sohlitella) trilira" = Turritella trilira, "Turritella (Sohlitella) bilira" = Haustator bilira
"Turritella (Sohlitella) trilira" = Turritella trilira Conrad 1860 turret shell Turritella (Sohlitella) trilira (C
"Turritella (Sohlitella) bilira" = Haustator bilira Stephenson 1941 turret shell Turritella (Sohlitella) bilira (St
| |
| |
Hercorhynchus (Haplovoluta) trililatus snail Hercorhyncus (Haplovoluta) trilila - originally entered as "Hercorhyncus trililatus"
| |
| |
Remera flexicostata, Drilluta sp., Bellifusus sp., Hercorhynchus (Hercorhyncus) pagodaformis, Rhombopsis sp.
Hercorhynchus (Hercorhyncus) pagodaformis Sohl 1964 snail Hercorhyncus (Hercorhyncus) pagoda - originally entered as "Hercorhyncus pagodaformis"
| |
| |
| |
| |
"Ancilla (Ancillus) acutula" = Ancillus acutula
"Ancilla (Ancillus) acutula" = Ancillus acutula Stephenson 1941 olive snail Ancilla (Ancillus) acutula (Stephe
| |
| |
| |
| |
| |
Pterocerella tippana, "Arrhoges (Latiala) cf. lobata" = Latiala lobata
"Arrhoges (Latiala) cf. lobata" = Latiala lobata Wade 1926 snail Arrhoges (Latiala) cf. A. Lobata ( - originally entered as "Arrhoges cf. lobata"
| |
| |
Scaphopoda | |
| |
| |
Bryozoa | |
| |
Mesostoma | |
|