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Hemisphaerocoryphe
Family: Mosasauridae Gervais
Awesome natural association with 3 pyritized specimens
Ecology: aquatic carnivore
Gerastos is a genus of trilobite in the order Proetida that lived between the Pragian and Eifelian of the Lower-Middle Devonian
07373 - Gorgeous 3.02 Inch Crotalocephalina (Crotalocephalus) gibbus Lower Devonian Trilobite Hybodus HemisphaerocorypheNice and well prepared specimen. Crotalocephalina sp, Pibyl and Vanek 1964 (trilobite) Trilobita Phacopida Cheiruridae Parent taxon: Cheiruridae according to P. A. Jell and J. M. Adrain 2002 See also Sepkoski 2002 Sister taxa: Acanthoparyphinae, Anasobella, Ancyginaspis, Arcticeraurinella, Areia, Areiaspis, Borealaspis, Bornholmaspis, Ceraurinium, Ceraurinus, Cerauroides, Cerauromeros, Cerauropeltis, Ceraurus, Chacomurus, Cheirurinae, Cheirurus,
US$ 350.00
US$ 641.00