Subgenus Breviturma subgen. nov.

urn:lsid:zoobank.org:act: DA2BAD13-0E03-45B3-9D7A-78796329BC3C

Diagnosis

Subgenus of Ophiocoma, previously known as brevipes group. Characterized by equal (non-alternating) numbers of arm spines; disc granules uniform in size, low and blunt; dorsal arm plates rounded, almost oval (in adult specimens, more rounded triangular in younger individuals); dental plate about twice as long as wide and thus the shortest in the genus, with tooth papillae region occupying 25 % of the dental plate length.

Etymology

The name Breviturma refers to the original name brevipes group, combined with turma = troop, here meaning group.

Type species

Ophiocoma brevipes Peters, 1851 .

Included species

Ophiocoma doederleini, O. brevipes, O. dentata and O. krohi sp. nov.