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A NEW CAVE CRAYFISH OF THE GENUS ORCONECTES, SUBGENUS ORCONECTES, FROM SOUTHCENTRAL MISSOURI, U.S.A., WITH A KEY TO THE STYGOBITIC SPECIES OF THE GENUS (DECAPODA, CAMBARIDAE)

2001; Brill; Volume: 74; Issue: 7 Linguagem: Inglês

10.1163/156854001750377911

1568-5403

Hobbs,

Subterranean biodiversity and taxonomy

The cave-adapted crayfish, Orconectes (Orconectes) stygocaneyi sp. nov., is described from Mud Cave, Ozark County in south central Missouri, U.S.A. Orconectes stygocaneyi is the first stygobitic crayfish of the genus to be found west of the Mississippi River and is compared with other, related species of cave crayfishes. It is unique in that the mesial process of first pleopods of Form I males recurves cephalically toward the central projection. Figures are presented and a key to the stygobitic members of the genus Orconectes is provided. L'ecrevisse cavernicole, Orconectes (Orconectes) stygocaneyi sp. nov. est decrite de Mud Cave, Ozark County, dans le sud du Missouri central, U.S.A. Orconectes stygocaneyi est la premiere ecrevisse stygobie du genre a avoir ete trouvee a l'ouest du Mississippi et est comparee a d'autres especes apparentees d'ecrevisses cavernicoles. Elle est unique par le fait que le processus mesial des premiers pleopodes des mâles Form I est recourbe anterieurement vers la projection centrale. Des figures sont presentees et une cle des membres stygobies du genre Orconectes est fournie.