Deep-sea lobsters of the families Polychelidae and Nephropidae (Crustacea, Decapoda) in the Gulf of Mexico and Caribbean Sea
Texas A & M University, Dept. of Oceanography, 1971 - Nature - 212 pages
A preliminary report on the deep-sea lobsters of the families Polychelidae and Nephropidae with particular emphasis upon their occurrences in the Gulf of Mexico and central Caribbean Sea is presented. Taxonomic keys to species in both families are provided. Particularly in the case of the Polychelidae an evaluation is made of the relative importance of certain structural traits as taxonomical characters. Consideration is also given to the possibility of vertical breeding migrations in some species of Polycheles. The problem of 'hard' and 'soft' species of the genus Willemoesia is also examined. Some extensions of geographic and vertical range are noted. The maximum size ranges are also extended for several species. The problem of intergrades between Polycheles t. typhlops and Polycheles typhlops perarmatus is discussed thoroughly. The fact that no polychelid has been photographed by bottom cameras aboard the R/V Alaminos in areas where they are known to abound suggests something about their life habits. (Author).
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ZOOGEOGRAFHIC AND DEPTH DISTRIBUTIONS OF THE POLYCHELIDAE
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abdominal terga Alaminos Albatross Alcock antennular peduncles anteriorly appendage Atlantic Ocean Bate Bernard Bouvier carapace length Caribbean Sea carpus cervical groove chelate cheliped crucifer Crustacea decapod deep-sea lobsters depths Description and comments distodorsal spine Distribution This species dorsal carina epipodites examined None available fathoms Faxon forceps Gulf and Caribbean Gulf of Mexico Holthuis Indian Ocean internal orbital angle known lateral margins lateral spines leptodactyla male maxillipeds merus meters midline Milne-Edwards nana Neophoberus caecus Nephropidae Nephrops binghami Nephropsis aculeata number of spines Number/Sex orbital notches ovigerous female Pentacheles pereiopods pleura pleuron Polycheles typhlops polychelid species Polychelidae posterior margin propodus R/V Alaminos reported rosea rostral spines rostrum sculpta sculpta segment Specimens examined specimens taken spermatophores spinules spinulose station Stereomastis sculpta subspecies suhmi Sund superior branchial carina telson terga tergum text-figs Thaumastocheles zaleucus third maxillipeds tooth tubercles typhlops perarmatus typhlops typhlops unarmed uropods USNM ventral Willemoes-Suhm Willemoesia forceps zaleucus