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Tectonatica pusilla

Geological Range

Late Pliocene to Late Pleistocene; Recent.

Paleogeographic Distribution

Southern Florida to Virginia.


For information on the modern distribution of the species, see Malacolog and WoRMS.

Original Description (from Say, 1822, p. 257):

"Shell thin, suboval, cinereous or rufous, with sometimes one or two obsolete, dilated, revolving bands; columella callous; callus pressed laterally into the umbilicus, whitish; umbilicus nearly closed and consisting only of an arquated, linear, vertical aperture.

Length about a quarter of an inch.

Inhabits the southern coast.

Cabinet of the Academy and Philadelphia Museum.

A small species, generally mistaken for the young of one of the preceding species."

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Stratigraphic Occurrences

Late Pleistocene
Anastasia Formation (N. FL)
Flanner Beach Formation (NC)
Fort Thompson Formation (S. FL)
Neuse Formation (NC)
Pamlico Formation (SC)
Satilla Formation (N. FL)
Satilla Formation (GA)
Middle Pleistocene
Bermont Formation (S. FL)
Bermont Formation? (S. FL)
Canepatch Formation (SC)
Early Pleistocene
Bear Bluff Formation (SC)
Caloosahatchee Formation (S. FL)
James City Formation (NC)
Nashua Formation (N. FL)
Waccamaw Formation (SC, NC)
Late Pliocene
Croatan Formation (Lower) (NC)
Duplin Formation (SC, NC)
Duplin / Raysor formations (GA)
Jackson Bluff Formation (N. FL)
Raysor Formation (GA, SC)
Tamiami Formation (Pinecrest Beds) (S. FL)
Yorktown Formation (NC, VA)
<i>Tectonatica pusilla</i> from the Early Pleistocene Caloosahatchee Fm. of Hendry County, Florida (UF 98641).
Tectonatica pusilla from the Early Pleistocene Caloosahatchee Fm. of Hendry County, Florida (UF 98641).
Late Pleistocene Map
Late Pleistocene Map
Middle Pleistocene Map
Middle Pleistocene Map
Early Pleistocene Map
Early Pleistocene Map
Late Pliocene Map
Late Pliocene Map