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).
|Published (Last):||17 April 2013|
|PDF File Size:||10.51 Mb|
|ePub File Size:||1.61 Mb|
|Price:||Free* [*Free Regsitration Required]|
Branchiocardiac groove bc horizontal portion on fosil region: Although several other groups of crustaceans have the word “lobster” in their names, the unqualified term “lobster” generally refers to the clawed lobsters of the family Nephropidae.
Bremer support values were computed in the foswil TreeRot Version 2. In other projects Wikimedia Commons Wikispecies. Retrieved July 23, During the moulting process, several species change colour.
Consider the Lobster and Other Essays. Hoploparia has been interpreted Sincemany other fossil lobster species intuitively to possess a morphology that is have been discovered. One issue is the difficulty in characterizing i. Rescaled weighted and unweighted Bremer fashion to an extent that, today, it is difficult to support values were calculated following the procedure outlined in Bremer The characters were reweighted based on the gram.
Thesis, Kent State University, Kent, bus recens detectis et varietatibus. Schematic line drawing of nephropid lobster cephalothorax, showing postions of grooves, spines, etc.
Hoploparia – Wikipedia
Retrieved December 22, Unweighted Bremer support values are shown for resolved clades Fig. Hoploparia McCoy,is a well-known, clawed lobster genus with a record extending from the Lower Cretaceous Valanginian to the Miocene. Fusiform plate on median of gastric region: Hoploparia has been interpreted intuitively to possess a morphology that is primitive for the Nephropidae.
Fossil non-Hoploparia have unresolved with regard to monophyly of been excluded from Hoploparia by traditional Hoploparia Fig. Symbiotic animals of the genus Symbionthe only fossi of the phylum Cycliophora, live exclusively on lobster gills and mouthparts. The genus has been interpreted intuitively to be morphologically primitive and ancestral to some or many modern nephropid genera.
In this study, cladistic analyses indicate that Hoploparia is not a natural group but is, instead, paraphyletic and lacking defining synapomorphies. Biology of the Lobster Homarus americanus. Unweighted Bremer support values are shown on the cladogram.
Cooks boil or steam live lobsters. Food and Drug Administration. Encyclopedia of tidepools and rocky shores. Sign In or Create an Account.
If the authors of some Recent b. Published by Brill NV, Leiden.
This leaves 27 characters as parsimony informative. Cephalic median carina CM: We used 16 of the better known better matrix the second analysis produced a clado- preserved Hoploparia species that represented the range of gram that is the strict consensus of 20 most morphologic variation in the genus.
Archived from the original on September 17, Archived from the original on October 4, Close mobile search navigation Article navigation.
File:Nephropidae – Homarus hakelensis.JPG
Retrieved August 3, Journal of Analytical Atomic Spectrometry. This is the ventral extension of the postcervical groove sensu Holthuis Lobsters are caught using baited one-way traps with a colour-coded marker buoy nephropidxe mark cages.
Hoploparia gabbi 00?? However, when lobster skin is found in lobster stomachs, this is not necessarily evidence of cannibalism — lobsters eat their shed skin after moulting.