Palaeoctopus
| Palaeoctopus Temporal range:
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| File:Palaeoctopus newboldi.jpg | |
| Holotype of Palaeoctopus newboldi | |
Scientific classification 
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| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Order: | Octopoda |
| Family: | †Palaeoctopodidae |
| Genus: | †Palaeoctopus Woodward, 1896b[1] |
| Type species | |
| †Palaeoctopus newboldi (Woodward, 1896a)[2]
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| Synonyms | |
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Genus synonymy Species synonymy
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Palaeoctopus is an extinct genus of octopuses that lived during the Late Cretaceous. It contains one valid species, P. newboldi, which has been found in Lebanon.
Taxonomy
[edit | edit source]Calais newboldi was named by Henry B. Woodward in 1896 for a nearly-complete specimen from the Sahel Alma lagerstätte of Lebanon.[2] However, that genus name was preoccupied by the beetle Calais.[3] Woodward named Palaeoctopus as a replacement later the same year.[1] Embrik Strand proposed the alternate replacement name Calaita in 1928.[4]
Beloteuthis libanotica was named by Adolf Naef in 1922 for a supposed teudopsid gladius from Sahel Alma.[6] It was moved to a new genus, Parateudopsis, by Theo Engeser and Joachim Reitner in 1986.[5] The specimen was eventually reidentified as an isolated gladius vestige of P. newboldi.[7]
A second species, P. pelagicus, was named by Dirk Fuchs and colleagues in 2008 for an alleged gladius vestige from the Vallecillo lagerstätte of Mexico.[8] It was subsequently revealed to be a gular plate from a coelacanth, possibly a juvenile Megalocoelacanthus.[9]
References
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