Hydroids of the genus Sertularella (Cnidaria: Hydrozoa: Sertulariidae) from the Pacific coast of Canada in the collection of the Royal Ontario Museum, with descriptions of four new species

Choong, Henry H. C.

doi:10.11646/zootaxa.3925.3.4

Cited by 5 publications

(3 citation statements)

References 31 publications

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“…Fraser (1944) recognized Sertularella gigantea as distinct, yet his description and illustrations of S. polyzonias from the northwestern North Atlantic were almost certainly based on the former species as well. The same error exists in Fraser's (1937) account of the species from Alaska and the Pacific coast of Canada (Choong 2015;Antsulevich 2015). Likewise, my records of S. polyzonias from the Canadian north (Calder 1970), from Cape Cod Bay (Calder 1975), and from Northumberland Strait (Calder 2004) were based instead on S. gigantea.…”

Section: Figs 18-20mentioning

confidence: 79%

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Additions to the hydroids (Cnidaria, Hydrozoa) of the Bay of Fundy, northeastern North America, with a checklist of species reported from the region

Calder

2017

Zootaxa

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Two new species of hydroids, Eudendrium bleakneyi and Halecium praeparvum, are described from the Bay of Fundy. Fourteen others, Tubularia acadiae Petersen, 1990, Coryne pusilla Gaertner, 1774, Sarsia lovenii (M. Sars, 1846), Zanclea implexa (Alder, 1856), Corydendrium dispar Kramp, 1935, Rhizogeton fusiformis L. Agassiz, 1862, Bougainvillia muscus (Allman, 1863), Rhizorhagium roseum M. Sars, in G.O. Sars, 1874, Hydractinia symbiolongicarpus Buss & Yund, 1989, Eudendrium vaginatum Allman, 1863, Tiaropsis multicirrata (M. Sars, 1835), Obelia bidentata S.F. Clark, 1875, Halecium marsupiale Bergh, 1887, and Sertularella gigantea Hincks, 1874, are reported, with collection data, for the first time from the bay. All but Coryne pusilla, Rhizorhagium roseum, Eudendrium vaginatum, and Sertularella gigantea are also new to Atlantic Canada, while Zanclea implexa, Corydendrium dispar, and Halecium marsupiale are reported for the first time in the western North Atlantic. Two of those species, Hydractinia symbiolongicarpus and Obelia bidentata, are disjunct in distribution, with core populations occurring in warmer waters to the south of Cape Cod, Massachusetts. Both were discovered in Minas Basin, a hydrographically distinct embayment where surface water temperatures are much warmer during summer than in the perpetually cold lower Bay of Fundy. Rhizorhagium roseum and the subfamily Rhizorhagiinae are transferred from family Bougainvilliidae Lütken, 1850 to Pandeidae Haeckel, 1879. An annotated checklist of hydroids from the Fundy region, based on previously published reports and on new records of species, is added as an appendix. Included in the checklist are 43 species of anthoathecates and 75 species of leptothecates, referable to 30 families and 56 genera. Families with the most species were Sertulariidae (23), Haleciidae (13), Eudendriidae (11), and Obeliidae (10). Biogeographically, the aggregate hydroid fauna of the bay conforms with that occurring in other parts of the Western Atlantic Boreal Region. Halecium permodicum is proposed as a replacement name for Halecium minor Fraser, 1935, an invalid junior homonym of H. minor Pictet, 1893.

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Section: Figs 18-20mentioning

confidence: 79%

“…Elsewhere: Spitzbergen, Chukchi Sea, Bering Sea, Kuril Islands, Sea of Okhotsk, Sea of Japan, Alaska to Vancouver Island (Kramp 1911;Naumov 1960;Antsulevich 2015;Choong 2015).…”

Section: Figs 18-20mentioning

confidence: 99%

Additions to the hydroids (Cnidaria, Hydrozoa) of the Bay of Fundy, northeastern North America, with a checklist of species reported from the region

Calder

2017

Zootaxa

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“…In brief, many records from the Pacific coast of Canada and USA (e.g. Fraser, 1911Fraser, , 1914Fraser, , 1937 are likely attributable to S. conella Stechow, 1920(Choong, 2015. However, it is unclear whether the hydroid occurring on the Atlantic coast of North America is the same (e.g.…”

Section: Taxonomic Partmentioning

confidence: 99%

New records, taxonomic notes, descriptions and redescriptions of some uncommon thecate hydroids (Cnidaria: Hydrozoa: Leptothecata)

Galea¹

2023

Revue suisse de Zoologie

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Seven hydroids, mostly belonging to poorly-known or undescribed species, were found scattered among various collections entrusted to me for study. Type material of Serturella conica Allman, 1877, a hydroid originally described from off Florida, USA, was never reexamined so far to provide an up-to-date account on it, although a considerable number of records attributable to it exist in the literature, and are in need of a reevaluation. Sertularella inconstans Billard, 1919, with a type from the Halmahera Sea, Indonesia, is rediscovered as fertile specimens in a collection from the Gulf of Guinea. A congener that appears to belong to an undescribed species occurs in material from southern Madagascar. Fertile specimens belonging to another collection are assignable to S. laxa (Allman, 1888), making it possible to check the pertinence of its inclusion in the synonymy of S. unituba

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Incongruent cladistics reveal a new hydrozoan genus (Cnidaria : Sertularellidae) endemic to the eastern and western coasts of the North Pacific Ocean

Song

Gravili

Ruthensteiner

et al. 2018

Invert. Systematics

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Molecular phylogenetics provides objective references for zoological systematics which sometimes are inconsistent with morphological data. This applies particularly for some primitive phyla such as Cnidaria. The marine hydrozoan Symplectoscyphus turgidus (Sertularellidae) is a recent questionable case reported to occupy an unexpected phylogenetic position and suggested to belong to a new genus. However, its position, based on a single Californian specimen, seemed doubtful. Here we contributed 16S, 18S and 28S rRNA data of another morphologically related species from the Yellow Sea, forming a monophyletic clade with the Californian sample, confirming the clade stability. Further integrative analyses support describing this clade as the new genus Xingyurella, gen. nov., and lead to a taxonomic revision of species characterised by three hydrothecal marginal teeth and strong gonothecal spines. This resulted in a new species and three new combinations: Xingyurella xingyuarum, sp. nov., X. gotoi, comb. nov., X. pedrensis, comb. nov. and X. turgida, comb. nov. Future investigations are required to understand the evolution and speciation involved in the transoceanic distribution pattern of Xingyurella. The approach used herein for dealing with non-monophyletic conditions may be indicative for further studies by integrating trophosome and gonosome traits for Sertularellidae and other hydrozoans. http://zoobank.org/urn:lsid:zoobank.org:pub:E99F8777-8E31-4C4B-A065-71C71371EEBC.

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Hydroids of the genus Sertularella (Cnidaria: Hydrozoa: Sertulariidae) from the Pacific coast of Canada in the collection of the Royal Ontario Museum, with descriptions of four new species

Cited by 5 publications

References 31 publications

Additions to the hydroids (Cnidaria, Hydrozoa) of the Bay of Fundy, northeastern North America, with a checklist of species reported from the region

Additions to the hydroids (Cnidaria, Hydrozoa) of the Bay of Fundy, northeastern North America, with a checklist of species reported from the region

New records, taxonomic notes, descriptions and redescriptions of some uncommon thecate hydroids (Cnidaria: Hydrozoa: Leptothecata)

Incongruent cladistics reveal a new hydrozoan genus (Cnidaria : Sertularellidae) endemic to the eastern and western coasts of the North Pacific Ocean

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