Tropical reef lobsters of the genus Enoplometopus
(Astacidea: Enoplometopidae)


J. Poupin
Ecole Navale, IRENav/GIS research group, BP 600, F29240, BREST NAVAL FRANCE
Fax (33) 02 98 23 38 57, poupin@ecole-navale.fr


Example of key generated by the DELTA System

Characters: 31 in data, 13 included, 10 in key.
Items: 12 in data, 11 included, 11 in key.
Parameters: Rbase = 1.40 Abase = 2.00 Reuse = 1.01 Varywt = .80
Characters included: 6–9 11–12 14 17–19 21 24 29
Character reliabilities: 6–9,6.0 11–12,4.0 14,9.0 17,9.0 18–19,4.0 21,9.0 24,2.0

1(0).
  • Pleura of abdominal somites II to V rounded or bluntly pointed; Telson with one lateral spine ... 2
  • Pleura of abdominal somites II to V with a sharp, posteriorly curved median tooth; Telson with two lateral spines... 6

2(1).
  • Carapace armed with four median spines ... 3
  • Carapace armed with five median spines... 5
  • Carapace armed with six median spines... Enoplometopus crosnieri

3(2).
  • no postcervical spine or an indistinct one; Chela long and slender, 4-7 times as long as wide ... Enoplometopus chacei
  • one postcervical spine; Chela broad and compressed, about 3 times as long as wide... 4

4(3).
  • Lateral surface of carapace with numerous non-ocellated spots or patches ... Enoplometopus debelius
  • Lateral surface of carapace with streaks (vertical or forming a network)... Enoplometopus daumi

5(2).
  • no postcervical spine or an indistinct one; Lateral surface of carapace with large rounded patch on gastric area ... Enoplometopus pictus
  • one postcervical spine; Lateral surface of carapace with one or two ocellated spot... Enoplometopus occidentalis

6(1).
  • Upper and lower faces of chela smooth, without tubercles; two postcervical spines; dactyl of cheliped without spines on outer margin; Anteroventral margins of pleura II to V smooth ... 7
  • Upper and lower faces of chela with tubercles; one postcervical spine; dactyl of cheliped with spines and tubercles on outer margin; Anteroventral margins of pleura II to V finely denticulated... Enoplometopus callistus

7(6).
  • Chela long and slender, 4-7 times as long as wide ... 8
  • Chela broad and compressed, about 3 times as long as wide... Enoplometopus antillensis

8(7).
  • Posterior margin of sixth abdominal tergite with 2 distinct short spines ... 9
  • Posterior margin of sixth abdominal tergite smooth or tuberculated, but without true spines... Enoplometopus gracilipes

9(8).
  • Lateral surface of carapace with a large white circle ... Enoplometopus holthuisi
  • Lateral surface of carapace with streaks (vertical or forming a network)... Enoplometopus voigtmanni




Cite this publication as: Joseph POUPIN (2002 onwards).Tropical reef lobsters of the genus Enoplometopus: Descriptions, Illustrations, Identification, and Information Retrieval, using the DELTA format. Version: 30 May 2002. At http://biomar.free.fr/enoplometopus/ .

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