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Schiaparelli, S.; Jirkov, I. A. (2016). A reassessment of the genus Amphicteis Grube, 1850 (Polychaeta: Ampharetidae) with the description of Amphicteis teresae sp. nov. from Terra Nova Bay (Ross Sea, Antarctica). Italian Journal of Zoology. 83(4): 531-542.
259680
Schiaparelli, S.; Jirkov, I. A.
2016
A reassessment of the genus Amphicteis Grube, 1850 (Polychaeta: Ampharetidae) with the description of Amphicteis teresae sp. nov. from Terra Nova Bay (Ross Sea, Antarctica)
Italian Journal of Zoology
83(4): 531-542
Publication
World Polychaeta Database (WPolyDb). In the title Ampharetidae is misspelled as Amphaetidae but is corrected here
Ampharetidae Malmgren, 1866 is a polychaete family of deposit-feeder species that flourishes in terms of individuals/m2 and species richness in areas where large quantities of food may accumulate, such as Arctic and Antarctic fjords. Despite the common occurrence of ampharetids in benthic samples and their important ecological role, the nomenclatural status of several species and subspecies is unclear and a general revision of the family is highly needed. In this contribution we focus on the ampharetid genus Amphicteis Grube, 1850, assessing the status of the species currently included in it and describing a new one, Amphicteis teresae sp. nov., collected at Terra Nova Bay (Ross Sea, Antarctica). The new species has blunt and stout paleal chaetae, a feature that is known to occur only in northern hemisphere Amphicteis counterparts. The new species closely resemble the Arctic A. ninonae Jirkov, 1985, to which it could also be phylogenetically related. The morphological re-analysis of the Amphicteis taxa showed that the subspecies of the purportedly cosmopolitan A. gunneri (M. Sars, 1835), which were mainly based on a geographical criterion, represent valid species. Molecular data will indeed be needed to define phylogeographic relationships within this widespread genus.
Antarctic
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Date
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2016-12-17 05:27:17Z
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2016-12-18 20:27:07Z
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Amphicteis Grube, 1850 (taxonomy source)
 Etymology

authors: "named after Gallo Teresa, grandmother of S. Schiaparelli" [details]

 Holotype

Schiaparelli & Jirkov (2016: 536) report "The holotype (NHM 1885.12.1.320) is poorly preserved: paleae totally ... [details]

 Synonymy

Schiaparelli & Jirkov (2016), and earlier Jirkov (2011) consider that Paramphicteis Caullery, 1944, Phyllamphicteis ... [details]

 Synonymy

Paramphicteis was maintained as separate from Amphicteis by Reuscher et al (2015) but not by Schiaparelli and ... [details]

 Taxonomy

Schiaparelli & Jirkov (2016) justify species rank for Amphicteis antarctica as follows: "In the case of A. gunneri ... [details]

 Taxonomy

Schiaparelli & Jirkov (2016: 539) raise A. atlantica to full species status, stating that: "For both A. gunneri ... [details]

 Taxonomy

Re-validated as a full species (as originally described) by Schiaparelli & Jirkov (2016: 539) [details]

 Type locality

Off Mario Zucchelli Station, Terra Nova Bay -74.6760°, 164.2459°, Ross Sea, Antarctica, 400 m depth [details]

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