Family HELOECIIDAE H. Milne Edwards, 1852

Heloecius cordiformes [from Dana 1852: pl. 19 fig. 7a]

Museums

Regional Maps

• Heloeciacaea Milne Edwards, H. 1852. De la famille des ocypodides (Ocypodidae). Second Mémoire, in, Observations sur les affinités zoologiques et la classification naturelle des Crustacés. Annales des Sciences Naturelles, Paris Zoology 18: 128-166 pls 3, 4 [153].

  Type genus:

   Heloecius Dana, 1851.
• Heloecinae Türkay, M. 1983. The systematic position of an Australian mangrove crab Heloecius cordiformis (Crustacea: Decapoda: Brachyura). Memoirs of the Australian Museum 18: 107-111 [108] [erected as a new taxon but the earlier use of the name Heloeciacaea by H. Milne Edwards, 1852, had been overlooked].

  Type genus:

   Heloecius Dana, 1851.

Diagnosis

Carapace deep, subquadrilateral, narrowing posteriorly; dorsal regions not strongly marked; anterolateral margins straight or slightly arched. Front narrow, deflexed, forming a lobe between eyestalks. Interantennular septum broad; antennules folding obliquely; antennular flagellum small. Third maxilliped completely closing buccal cavern; exopod visible. Chelipeds equal, small in females, large in males. Brush of long setae edging pouch leading into branchial cavity between bases of third and fourth pereiopods. Thoracic sternum narrowed posteriorly. Male genital openings coxo-sternal.

History of changes