Massive Asaphid Ordovician Trilobite from Morocco

Asaphellus aff tatensis

Trilobites Asaphida, Suborder Asaphina, Superfamily Asaphoidea, Family Asaphidae

Geological Time: Lower Ordovician

Size: Trilobite is 230 mm long

Fossil Site: Upper Fezouata Formation, Draa Valley, Morocco

Asaphellus tatensisDescription: This is the first example of this large Asaphid I have had. It is a member of the genus Asaphellus but looks somewhat diferent from others from the region. Both A fezouatensis and A jejuensis have larger eyes, while A tatensis has eyes much like this but with shorter genals. For now let’s just refer to it as Asaphellus aff tatensis for lack of a better name. It is in fine condition. There is a repaired crack that passes through the terminal thoracic segment but it is relative unobtrusive; see the final photo for the reverse of this specimen. That is one big nodule!

Also see: Moroccan Trilobites

click fossil images to enlarge


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