FOSSIL NEPHROPIDAE PDF

Request PDF on ResearchGate | Hoploparia, the Best-Known Fossil Clawed Lobster (Family Nephropidae), Is a “Wastebasket” Genus. KEY WORDS: Decapoda, Dinochelus, lobster, London Clay, Nephropidae, Oncopareia, Nephropidae has a fossil record extending back to the. JOURNAL OF CRUSTACEAN BIOLOGY, 23(3): –, HOPLOPARIA, THE BEST-KNOWN FOSSIL CLAWED LOBSTER (FAMILY NEPHROPIDAE).

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Hoploparia McCoy, Lower Cretaceous Valanginian —Miocene is, by far, the most diverse clawed lobster genus fossil or Recent ; 49 species are known.

Lobster – Wikipedia

The genus has been interpreted intuitively to be morphologically primitive and ancestral to some or many modern nephropid genera. Foswil issue is the difficulty in characterizing i.

For Hoplopariaand far more than for other lobster genera, nepnropidae characters show variable character states. A second issue is that the morphologies of some Recent genera e.

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File:Nephropidae – Homarus hakelensis.JPG

Both issues stem from an nephopidae ambiguous diagnosis of Hoploparia that has been variously expanded in de facto fashion to the point that, today, nobody really knows what Hoploparia means. Cladistic analyses herein indicate that Hoploparia is paraphyletic and, therefore, support the intuitive judgement that Hoploparia is a wastebasket genus.

This paper, the first species-level cladistic analysis of Hoplopariais not intended to be the sole basis for taxonomic revision but is, instead, intended to generate discussion among lobster specialists. Hopefully, this discussion will bring forth additional characters for cladistic analysis and other new insights that may lead to better supported cladograms addressing lobster taxonomy.

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Hoploparia – Wikipedia

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Appendix II Master data matrix for cladistic analysis. Appendix III Reduced data matrix for cladistic analysis. Abstract Hoploparia McCoy, Lower Cretaceous Valanginian —Miocene is, by far, the most diverse clawed lobster genus fossil or Recent ; 49 species are known.

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