Trachyteuthis
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Trachyteuthis is an extinct genus of octobrachian cephalopod comprising nine species with an almost global distribution, living from the Callovian to the Cenomanian age of the Mesozoic. While similar
Morphology, terminology and measurements of a vampyropod gladius. A. Trachyteuthis. B. Loligosepia
Juvenile Vampyroteuthis showing two distinct pairs of mantle fins, similar to Trachyteuthis
Small fossil of a paralarval cephalopod from Solnhofen. This animal may be related to Trachyteuthis
A. T. hastiformis B. T. nusplingensis C. T.teudopsiformis D. Reconstruction of the gladius of T. covacevichi E. Reconstruction of T. hastiformis; F. Reconstruction of T. nusplingensis; G. Reconstruction of T. teudopsiformis
Cirrina
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Cirrina or Cirrata is a suborder and one of the two main divisions of octopuses. Cirrate octopuses have a small, internal shell and two fins on their head, while their sister suborder Incirrina has ne
Oral view of Cirrothauma murrayi showing single row of suckers and paired cirri