Chancellor Point, Zone 24 (Miocene of the United States)
Where: St. Marys County, Maryland (38.2° N, 76.4° W: paleocoordinates 38.3° N, 74.4° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Windmill Point Member (Saint Marys Formation), Tortonian (11.6 - 7.2 Ma)
Environment/lithology: marine; blue, sandy claystone
• bluish sandy clay
Size class: macrofossils
Primary reference: G. B. Shattuck. 1904. Geological and paleontological relations, with a review of earlier investigations. Maryland Geological Survey Miocene Text xxxiii-clv [M. Uhen/M. Uhen]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 70853: authorized by Mark Uhen, entered by Mark Uhen on 09.04.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
Gastropoda | |
"Turritella plebeia" = Mariacolpus plebeia2, "Turritella variabilis" = Turritella (Torcula) variabilis, Turritella subvariabilis2
"Turritella variabilis" = Turritella (Torcula) variabilis Conrad 1830 turret shell | |
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Busycotypus coronatum2, Busycotypus rugosum2, Busycon fusiforme2, "Fulgur fusiforme" = Busycon fusiformis
"Fulgur fusiforme" = Busycon fusiformis Conrad 1840 whelk | |
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"Terebra curvilirata" = Terebra (Acus) curvilirata Conrad 1843 auger snail | |
"Surcula engonata" = Nodisurculina engonata
"Surcula engonata" = Nodisurculina engonata Conrad 1862 ribbed mitre | |
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"Actaeon ovoides" = Acteon ovoides
"Actaeon ovoides" = Acteon ovoides Conrad 1830 snail | |
Retusa marylandica Martin 1904 snail | |
Bivalvia | |
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Chesapecten santamaria2, "Pecten jeffersonius" = Chesapecten jeffersonius, "Pecten madisonius" = Chesapecten madisonius
"Pecten jeffersonius" = Chesapecten jeffersonius Say 1824 scallop
"Pecten madisonius" = Chesapecten madisonius Say 1824 scallop | |
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Phacoides anodonata clam | |
"Isocardia fraterna" = Glossus fraterna Say 1824 clam | |
"Callocardia sayana" = Pitar morrhuanus, "Clementia inoceriformis" = Clementia (Clementia) inoceriformis2, "Lirophora alveata" = Lirophora (Lirophora) alveata2, Dosinia acetabulum2, Mercenaria tetrica2, "Venus campechiensis" = Mercenaria campechiensis
"Callocardia sayana" = Pitar morrhuanus Dall 1902 venus clam | |
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Panopea goldfussi clam | |
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Aves | |
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