Tentaculites sterlingensis

Phylum: Mollusca
Class: Tentaculida
Family: Tentaculitidae
Genus: Tentaculites
Species: Tentaculites sterlingensis (Meek & Morthen, 1865)

Stratigraphic Occurrences


Geographic Occurrences

Map point data provided by iDigBio.

Stratigraphic Description

Sequences (Formations)

  • C5 Sequence (Lower Whitewater)

Identification in Hand Sample

  • Considerably smaller than T. richmondensis
  • 10-15 mm long and 1-1.5mm wide at the aperture
  • More densely spaced rings than T. richmondensis, with about 20-25 rings in 10mm

Published Description

Holland (UGA Strat Lab, 2013) :

  • Bergstrom 1996; Typically small (10-15 mm long, 1-1.5 mm wide at aperature), with densely spaced rings (20-25 per 10 mm).

Fossils of Ohio (1996):

  • The other widespread species in the Upper Ordovician of Ohio is Tentaculites sterlingensis,. Its conch ornamentation is quite similar to that of T. richmondensis but is distinguished by being considerably smaller (10-15 mm long and 1-1.5mm wide at the aperture) and having more densely spaced rings (about 20-25 rings in 10mm).