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Sphenolithus dissimilis
Thu, 11/10/2007 - 15:20 — Jeremy Young
Sphenolithus dissimilis Bukry and Percival, 1971
Description: Similar to S. moriformis but with apical cycle of elements extended to form circlet of spines.
Remarks: Various other species have been described for Early Miocene sphenoliths with a circlet of spines: Sphenolithus cometa de Kaenel and Villa, 1996, S. multispinatus Maiorano & Monechi 1997, S. procera Maiorano & Monechi 1997.
Range: Oligocene - NN3.
Original description:
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Neogene: Sphenolithus; Sphenolithus dissimilis
