Staurodiscus Haeckel, 1879
publication ID |
https://doi.org/ 10.35929/RSZ.0049 |
DOI |
https://doi.org/10.5281/zenodo.5705932 |
persistent identifier |
https://treatment.plazi.org/id/D0118A7C-5B3C-0024-FECB-F9BDFB227F53 |
treatment provided by |
Felipe |
scientific name |
Staurodiscus Haeckel, 1879 |
status |
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Genus Staurodiscus Haeckel, 1879 View in CoL View at ENA
Staurodiscus Haeckel, 1879: 145 View in CoL ,
type species Staurodiscus tetrastaurus Haeckel, 1879 ( Kramp, 1961: 147) View in CoL .
Staurodiscalma Haeckel, 1879: 145 View in CoL , type species Staurodiscus tetrastaurus Haeckel, 1879 View in CoL by monotypy.
Staurodiscema Haeckel, 1879: 146 View in CoL , type species Staurodiscus heterosceles Haeckel, 1879 View in CoL by monotypy.
Toxorchis Haeckel, 1879: 157 , type species Toxorchis arcuatus Haeckel, 1879 by monotypy.
Staurodiscoides Uchida, 1927b: 165 View in CoL , type species Staurodiscoides gotoi Uchida, 1927 View in CoL by monotypy.
Diagnosis: Medusa with 4 or more main primary radial canals, some or all branching one or more times, primary canal and some or all of the branches reaching circular canal; gonads on primary radial canals and branches; numerous tentacles and cordyli; with or without cirri; with or without ocelli.
Hydroid epizootic, Hebella -like; hydrothecae almost conical when growing on upper part of the host, cylindrical when growing on lower part of same host; asymmetrical to symmetrical; with everted margin, sharply or slightly oblique, with short to long, wrinkled or annulated pedicels; with membranous diaphragm (sometimes absent) and annular thickening; gonophores as free medusae; gonotheca as big or slightly bigger than hydrotheca, with four opercular flaps, on short pedicel, slightly undulated walls, truncated distally, tapering at base, containing up to three medusae ( Bouillon et al., 2006).
Remarks: See Kramp (1962) and Bouillon (1984b) for emended diagnosis and synopsis of the species. For the life cycle see Migotto & Andrade (2000).
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
Kingdom |
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Phylum |
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Class |
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Order |
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Family |
Staurodiscus Haeckel, 1879
Schuchert, Peter & Collins, Richard 2021 |
Staurodiscoides
Uchida T. 1927: 165 |
Staurodiscus
Kramp P. L. 1961: 147 |
Haeckel E. 1879: 145 |
Staurodiscalma
Haeckel E. 1879: 145 |
Staurodiscema
Haeckel E. 1879: 146 |
Toxorchis
Haeckel E. 1879: 157 |