Suffix of specific epithet was corrected to female form [details]

The reticulated exumbrella is most likely only due to a shrinking of the mesogloea casued by the capture with a ... [details]

likely a synonym of Corymorpha bigelowi [details]

Inadequately described species [details]

Has been synonymized with the Australian Hebella scandens (Bale, 1888), but this seems unlikely, Hebella hydroids ... [details]

mixed type material, in part synonym of B. muscus (medusa), in part species inquirenda (hydroid) [details]

Species inquirenda, based on a single, most likely immature type specimen. Could also belong to genus ... [details]

Species inquirenda, based on a single preserved specimen of which the diagnoistic trait of large stomach is most ... [details]

Species inquirenda; type specimen is a small, juvenile colony without gonothecae [details]

Stylactis hooperii Sigerfoos, 1899 resembles Stylactis arge Clarke, 1882 and Calder (1988) regarded the former as a ... [details]

The grammatical gender of Cladonema is neutre, see ICZN §30.1.2 [details]

Not objectively separable from Corymorpha bigelowi [details]

Not Trichydra pudica Wright, 1857 ! [details]

The name has sometimes incorrectly been used for Hebella hydroids, which is taxonomically incorrect. [details]

Not to be confounded with Hydractinia borealis (Mayer, 1900) [now = Podocoryna borealis (Mayer, 1900)] [details]

Not to be confouned with Hydractinia borealis (Mereschkowsky, 1878) [currently valid as Oorhiza borealis ... [details]

The type material was infertile, the species is thus insufficently described. However. the particular nematocyst ... [details]

Böhm (1883) reported the presence of this species in Lake Tanganyika and proposed the specific epithet ... [details]

New name for Janiopsis macrobulbosa Xu, Huang & Guo, 2009b after transfer to genus Merga. Correct spelling may be ... [details]

Not to be confouned with Hydractinia borealis (Mereschkowsky, 1878) [currently valid as Oorhiza borealis ... [details]

As this species liberates most likely a medusa, it was here included in the genus Podocoryna (sensu Miglietta et ... [details]

Only known as free medusa, therefore provisionally referred to the genus Podocoryna following Miglietta (2012). The ... [details]

With its ocelli this is a very atypical Podocoryna medusa. Once it is better known, notably the polyp stage and/or ... [details]

Totton (1930) assigned a variety rank to this name. However, according to the ICZN §45.6.4., this names qualifies ... [details]

Watson (2000) proposed to transfer Sertularia mertoni to Dynamena mertoni. However, she did not mention the ... [details]

Originally described as Tubularia indivisa var. antarctica Hartlaub, 1905, this makes Hartlaub also the authority ... [details]

Gonophores medusae or medusoids developing from singly stolons, thus the species more likely belongs to Cytaeididae ... [details]

Only medusa stage known, thus likely belongs to Podocoryna sensu Miglietta et al (2012) [details]