Ecdyceras is a genus in the Ascocerida doubtfully assigned to the Hebetoceratidae. It somewhat resembles Hebetoceras.[1]

Ecdyceras
Temporal range: Middle -?Late Ordovician
Scientific classification
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Ecdyceras

Flower, 1941

References edit

  1. ^ Furnish, W.M.; Glenister, B.F. (1964). "Nautiloidea – Ascocerida". In Moore, R.C. (ed.). Treatise on Invertebrate Paleontology, Part K, Mollusca 3 – Mollusca. Kansas, MO: Geological Society of America and University of Kansas Press. p. xxviii + 519 p., 361 fig. ISBN 0-8137-3011-2. {{cite book}}: |website= ignored (help)