Calpasoma Fuhrmann, 1939

Calder, Dale R., 2010, Some anthoathecate hydroids and limnopolyps (Cnidaria, Hydrozoa) from the Hawaiian archipelago 2590, Zootaxa 2590 (1), pp. 1-91: 74-75

publication ID

http://doi.org/ 10.11646/zootaxa.2590.1.1

persistent identifier

http://treatment.plazi.org/id/03E27F25-FFB7-FF85-DCFF-FAC974294FF9

treatment provided by

Felipe

scientific name

Calpasoma Fuhrmann, 1939
status

 

Genus Calpasoma Fuhrmann, 1939  

Calpasoma Fuhrmann, 1939: 363   .

Type species. Calpasoma dactylopterum Fuhrmann, 1939   , by monotypy.

Diagnosis. Olindiid polyps solitary, although bipolar or tripolar forms sometimes present. Hydranths minute, athecate, sausage-shaped to cylindrical, with distal mouth but without prominent capitulum; tentacles usually present distally, appearing to arise in two close whorls or irregularly arranged, each tentacle a slender and filiform protrusion of an epithelial tentaculocyte; several nematocysts on distal end of each tentacle, scattered elsewhere; asexual reproduction by frustulation or budding.

Gonophores not known.

Remarks. Calpasoma Fuhrmann, 1939   is a peculiar freshwater hydrozoan genus, sometimes believed to be merely a tentaculate form of Craspedacusta Lankester, 1880   . Studies such as those of Matthews (1966), and Rahat & Campbell (1974), support recognition of the two as distinct, although Jankowski (2001) considered at least one form of Calpasoma   to be congeneric with Craspedacusta   . Astrohydra Hashimoto, 1981   appears similar, but the genus (and its type species, A. japonica Hashimoto, 1981   ) is not well-known.

The generic name Calpasoma   is neuter (ICZN Art. 30.1.2), and the specific name of its single contained species should be spelled dactylopterum   , not dactyloptera   as originally formed.

Kingdom

Animalia

Phylum

Cnidaria

Class

Hydrozoa

Order

Limnomedusae

Family

Olindiidae

Loc

Calpasoma Fuhrmann, 1939

Calder, Dale R. 2010
2010
Loc

Calpasoma

Fuhrmann, O. 1939: 363
1939