WoRMS source details

Cerca, José; Meyer, Christian; Purschke, Günter; Struck, Torsten H. (2020). Delimitation of cryptic species drastically reduces the geographical ranges of marine interstitial ghost-worms (Stygocapitella; Annelida, Sedentaria). Molecular Phylogenetics and Evolution. 143: 106663: 1-16.
381872
10.1016/j.ympev.2019.106663 [view]
Cerca, José; Meyer, Christian; Purschke, Günter; Struck, Torsten H.
2020
Delimitation of cryptic species drastically reduces the geographical ranges of marine interstitial ghost-worms (Stygocapitella; Annelida, Sedentaria)
Molecular Phylogenetics and Evolution
143: 106663: 1-16
Publication
World Polychaeta Database (WPolyDb). The article mentions a ZooBank registration (no LSID stated), but it is not yet visible (23-Jun-2020)
Available for editors  PDF available [request]
The recognition of cryptic species concealed in traditionally established species can reveal new biogeographical patterns and alter the understanding of how biodiversity is geographically distributed. This is particularly relevant for marine ecosystems where the incidence of cryptic species is high and where species distribution data are often challenging to collect and interpret. Here, we studied specimens of the ‘cosmopolitan’ interstitial meiofaunal annelid Stygocapitella subterranea Knöllner, 1934 (Parergodrilidae, Orbiniida), obtaining data from four coastlines in the Northern hemisphere. Using phylogenetic tools and several species-delimitation methods (haplotype networks, GMYC, bPTP, maximum likelihood, posterior probability and morphology) we describe eight new Stygocapitella species. With one exception, all species are present along a single coastline, ultimately challenging the idea that Stygocapitella subterranea has a cosmopolitan distribution. We found evidence for several oceanic transitions having occurred in the past as well as a recent translocation, potentially due to human activity. No diagnostic characters were found, and qualitative and quantitative morphological data do not allow an unequivocal differentiation of the identified cryptic species. This suggests that (i) neither traditional diagnostic features nor quantitative morphology suffice to recognise species boundaries in cryptic species complexes, such as the Stygocapitella species complex; and that (ii) the recognition and description of cryptic species is of seminal importance for biodiversity assessments, biogeography and evolutionary biology.
Meiobenthos
Systematics, Taxonomy
RIS (EndNote, Reference Manager, ProCite, RefWorks)
BibTex (BibDesk, LaTeX)
Date
action
by
2020-06-19 09:07:02Z
created
Read, Geoffrey
2020-06-23 00:09:43Z
changed
Read, Geoffrey

Holotype NHM NHMO C6984, geounit Massachusetts, identified as Stygocapitella westheidei Cerca, Meyer, Purschke & Struck, 2020
Holotype NHM NHMO C6986, geounit Devon, identified as Stygocapitella josemariobrancoi Cerca, Meyer, Purschke & Struck, 2020
Holotype NHM NHMO C6990, geounit Sea of Japan/East Sea, identified as Stygocapitella budaevae Cerca, Meyer, Purschke & Struck, 2020
Holotype NHM NHMO C6992, geounit Vancouver Island, identified as Stygocapitella americae Cerca, Meyer, Purschke & Struck, 2020
Holotype NHM NHMO C6994, geounit Vancouver Island, identified as Stygocapitella berniei Cerca, Meyer, Purschke & Struck, 2020
Holotype NHM NHMO C7010, geounit Vancouver Island, identified as Stygocapitella furcata Cerca, Meyer, Purschke & Struck, 2020
 Distribution
 for Stygocapitella josemariobrancoi Cerca, Meyer, Purschke & Struck, 2020

North Sea (British & German coast) and the Channel (British & French coast), also Lubec (ME, USA). [details]
 Distribution
 for Stygocapitella subterranea Knöllner, 1934

Cerca et al (2020: 12) state: "records from the Mediterranean Sea (French & Tunisian coast), the Black Sea ... [details]
 Distribution
 for Stygocapitella westheidei Cerca, Meyer, Purschke & Struck, 2020

North-western Atlantic coasts of USA and Canada [details]
 Distribution
 for Stygocapitella zecai Cerca, Meyer, Purschke & Struck, 2020

Northern Atlantic comprising the Northern and North Seas (Scandinavian, British & German coast) [details]
 Etymology
 for Stygocapitella americae Cerca, Meyer, Purschke & Struck, 2020

authors: Stygocapitella americae "follows [indicates?] the American continent, where it was collected." [details]
 Etymology
 for Stygocapitella berniei Cerca, Meyer, Purschke & Struck, 2020

Stygocapitella berniei is named after the USA politician Bernie Sanders. Authors: "The field collection site is in ... [details]
 Etymology
 for Stygocapitella budaevae Cerca, Meyer, Purschke & Struck, 2020

Stygocapitella budaevae is named after the Russian polychaete biologist Nataliya Budaeva [details]
 Etymology
 for Stygocapitella furcata Cerca, Meyer, Purschke & Struck, 2020

authors: Stygocapitella furcata "name reflects its having forked chaetae" [details]
 Etymology
 for Stygocapitella josemariobrancoi Cerca, Meyer, Purschke & Struck, 2020

Stygocapitella josemariobrancoi is named after politically active Portuguese singer José Mário Branco (1942 - 2019) [details]
 Etymology
 for Stygocapitella pacifica Cerca, Meyer, Purschke & Struck, 2020

authors: "The species name derives from presence in the Pacific Ocean." (Stygocapitella pacifica is from the Sea of ... [details]
 Etymology
 for Stygocapitella westheidei Cerca, Meyer, Purschke & Struck, 2020

Stygocapitella westheidei is named after Wilfried Westheide, German polychaete biologist [details]
 Etymology
 for Stygocapitella zecai Cerca, Meyer, Purschke & Struck, 2020

Stygocapitella zecai is named after the politically active Portuguese singer-songwriter José Manuel Cerqueira ... [details]
 Type locality
 for Stygocapitella americae Cerca, Meyer, Purschke & Struck, 2020

Reuben Tarte Park, San Juan Island, Washington. 48.6127, -123.0986 (Substituted true geolocation, as the authors ... [details]
 Type locality
 for Stygocapitella berniei Cerca, Meyer, Purschke & Struck, 2020

Roche Harbor, San Juan Island, USA, Haro Strait, near Vancouver Island, 48.5961, -123.17°, 3 m alttitude [details]
 Type locality
 for Stygocapitella budaevae Cerca, Meyer, Purschke & Struck, 2020

Volchanets, Russia, Sea of Japan, 42.9105, 132.7403, (42° 54' 37.7? N, 132° 44' 25.0? E), 5 m altitude (same ... [details]
 Type locality
 for Stygocapitella furcata Cerca, Meyer, Purschke & Struck, 2020

4th July Beach, San Juan Island, Salish Sea, near Vancouver Island, 48.4682, -123.0030, 5 m altitude (within the ... [details]
 Type locality
 for Stygocapitella josemariobrancoi Cerca, Meyer, Purschke & Struck, 2020

Plymouth Bay, Devon, British Isles, 50.3486, -4.2007, between high-water line and one meter above, at a sediment ... [details]
 Type locality
 for Stygocapitella pacifica Cerca, Meyer, Purschke & Struck, 2020

Volchanets, Russia, Sea of Japan, 42.9105, 132.7403, (42° 54' 37.7? N, 132° 44' 25.0? E), 5 m altitude [details]
 Type locality
 for Stygocapitella westheidei Cerca, Meyer, Purschke & Struck, 2020

Canoe Beach, Boston, Massachusetts, USA, 42.4196, -70.9068 (42° 25′ 10.6″ N, 70° 54′ 24.6″ W), between ... [details]
 Type locality
 for Stygocapitella zecai Cerca, Meyer, Purschke & Struck, 2020

Henningsvær, Norway, 68.2608, 14.2684 (68°15′38.8″N 14°16′06.1″E), upper beach between high-water line ... [details]

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