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The Echinoid Directory

Contributed by Andreas Kroh, February 2011

Peripatagus Koehler, 1895, p. 231

Diagnostic Features
  • Test ovate with convex anterior; depressed in profile.
  • Apical disc with two posterior gonopores; positioned anterior of centre; structure unknown
  • Ambulacra nonpetaloid, all similar; flush with interambulacra; Pores rudimentary.
  • Peristome towards anterior; kidney-shaped. Labrum projecting over peristome in oral view. Labral short, not extending posterior of ambulacrum plate 1; Sternal almost plates symmetrical; Episternal plates offset not indented by ambulacral plates. Ambulacral plate 6 abuts rear suture of episternal plates. Interambulacral zones 1 & 2 amphisternous, others unknown.
  • Periproct marginal; large.
  • Marginal fascioles present, that passes anteriorly below the ambitus. Aboral tuberculation heterogeneous; scattered tubercles over all plates. On oral surface plastron fully tuberculate.
Distribution Recent, Azores
Name gender masculine
Type Peripatagus cinctus Koehler, 1895, p. 231, by monotypy.
Species Included Only the type species.
Classification and/or Status Spatangoida, Paleopneustina, Paleopneustidae

?. Monotypic.
Remarks Placement uncertain, due to incomplete knowledge of plating and ambulacral pore structure. Supposedly belonging to the Palaeopneuestidae due to the presence of a marginal fasciole, overal shape and flush ambulacra.

Koehler, R. 1895b. Note preliminaire sur les echinides des premieres campagnes de la Princesse Alice. Bulletin de la Societe Zoologique de France 20, 227-233.

Koehler, R. 1909. Échinodermes provenant des campagnes du yacht Princesse-Alice (Astéries, Ophiures, Échinides et Crinoïdes). Résultats des campagnes scientifiques accomplies sur son yacht par Albert Ier  Prince souverain de Monaco 34, 1-317.