Tulpa Stechow, 1921

Cantero, Álvaro Luis Peña, 2025, On the species of Tulpa Stechow, 1921 (Cnidaria, Hydrozoa) with the description of two new species from sub-Antarctic waters, Zootaxa 5633 (1), pp. 51-78 : 53

publication ID	https://doi.org/10.11646/zootaxa.5633.1.3
publication LSID	lsid:zoobank.org:pub:FDDCC418-C20B-4838-BD85-D13EA5974E79
DOI	https://doi.org/10.5281/zenodo.15372610
persistent identifier	https://treatment.plazi.org/id/745B87E4-FFD0-5563-FF71-FAD9FE20CCAF
treatment provided by	Plazi
scientific name	Tulpa Stechow, 1921
status

Treatment

Genus Tulpa Stechow, 1921 View in CoL

Diagnosis. Colonies stolonal or forming erect, monosiphonic stems. Cauline hydrothecae alternate, with strong tendency to unilateral arrangement. Hydrothecae at end of pedicels without distal sub-hydrothecal spherule. Hydrotheca tubiform, remarkably large and deep, with more or less pronounced polygonal structure, and with a basal annular perisarcal thickening. Rim of hydrothecal aperture typically sinuous and more or less turned outwards, with or without cusps. Cnidome consisting of small microbasic mastigophores and large?atrichous isorhizas.

List of species clearly referable to Tulpa in this study:

Tulpa tulipifera ( Allman, 1888) (= Campanularia tulipifera Allman, 1888 )

Tulpa diverticulata Totton, 1930

Tulpa costata Gravier-Bonnet, 1979

Tulpa peculiaris sp. nov.

Tulpa revelata sp. nov.

Kingdom	Animalia
Phylum	Cnidaria
Class	Hydrozoa
SubClass	Hydroidolina
Order	Leptothecata
Family	Campanulariidae