Kirkegaardia Blake, 2016
- Dataset
- GBIF Backbone Taxonomy
- Rank
- GENUS
- Published in
- Blake, James A. Kirkegaardia (Polychaeta, Cirratulidae), new name for Monticellina Laubier, preoccupied in the Rhabdocoela, together with new records and descriptions of eight previously known and sixteen new species from the Atlantic, Pacific, and Southern Oceans. Zootaxa. 4166(1): 1-93 (2016).
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Classification
- kingdom
- Animalia
- phylum
- Annelida
- class
- Polychaeta
- family
- Cirratulidae
- genus
- Kirkegaardia
Kirkegaardia Gunton & Kupriyanova & Alvestad & Avery & Blake & Biriukova & Böggemann & Borisova & Budaeva & Burghardt & Capa & Georgieva & Glasby & Hsueh & Hutchings & Jimi & Kongsrud & Langeneck & Meißner & Murray & Nikolic & Paxton & Ramos & Schulze & Sobczyk & Watson & Wiklund & Wilson & Zhadan & Zhang 2021
Kirkegaardia sp. nov.
Remarks.
At least one new species of Kirkegaardia is present. The specimens have a long smooth peristomium, typical of several species of this genus (Blake 2016). The characteristic serrated capillary chaetae found in Kirkegaardia are largely sheared off on the available specimens.
Records.
3 specimens. Suppl. material 1: ops. 16, 28, 33 (AM).
diagnosis
Diagnosis. (after Blake 2016). Bitentaculate cirratulids with distinct body regions and all setae distally pointed. Pre-setigerous area typically elongate, cylindrical, with short, blunt prostomium and long peristomium with zero to many weakly developed annulations; dorsal tentacles arising on posterior margin of peristomium, anterior to setiger 1. Thoracic notopodia often shifted dorsally, elevated, producing distinct dorsal groove along thoracic region; other species with thoracic parapodia more lateral, leaving broad elevated dorsum; parapodia of middle and posterior region lateral. Middle body segments longer than wide, frequently bead-like; posterior segments wider than long, somewhat crowded, with posterior most segments usually expanded or enlarged. Setae include simple capillaries with fibrils observed under SEM and denticulated capillaries with distinct denticles present along one edge of seta; denticles visible at 400 – 1000 x; blades usually basally expanded.
discussion
Remarks. Blake (2016) established Kirkegaardia to replace Monticellina Laubier, which was preoccupied in the Rhabdocoela. He also reviewed and redescribed all known species and described 16 new species. At present, 38 species are assigned to Kirkegaardia (Blake & Magalhães 2019). In the present study, three new species of Kirkegaardia have been identified in the Carib 1 collections. These newly described species increase the total known species of Kirkegaardia to 41.
type_taxon
Type species: Monticellina heterochaeta Laubier, 1961, designated by Blake (2016). Synonym: Monticellina Laubier, 1961. Junior homonym of Monticellina Westblad, 1953. Fide Blake (2016).
diagnosis
Diagnosis. (after Blake 2016). Bitentaculate cirratulids with distinct body regions and all setae distally pointed. Pre-setigerous area typically elongate, cylindrical, with short, blunt prostomium and long peristomium with none to many weakly developed annulations; dorsal tentacles arising on posterior margin of peristomium, anterior to setiger 1. Thoracic notopodia often shifted dorsally, elevated, producing distinct dorsal groove along thoracic region; other species with thoracic parapodia more lateral, leaving broad elevated dorsum; parapodia of middle and posterior regions lateral. Middle body segments longer than wide, frequently beadlike; posterior segments wider than long, somewhat crowded, with posteriormost segments usually expanded or enlarged. Setae include simple capillaries with fibrils observed under SEM and denticulated capillaries with distinct denticles present along one edge of seta; denticles visible at 400 – 1000 x; blades usually basally expanded.
discussion
Remarks. In conjunction with the establishment of Kirkegaardia as a replacement name for Monticellina, Blake (2016) described 16 new species including K. fragilis from the Clarion-Clipperton Fracture Zone. A single specimen labeled Tharyx sp. A. from the ECHO I material has been determined to be K. fragilis. Another specimen from the BIE samples was also identified.
Name
- Synonyms
- Monticellina Laubier, 1961
- Homonyms
- Kirkegaardia Blake, 2016
Bibliographic References
- Blake, James A. (2016). Kirkegaardia (Polychaeta, Cirratulidae), new name for Monticellina Laubier, preoccupied in the Rhabdocoela, together with new records and descriptions of eight previously known and sixteen new species from the Atlantic, Pacific, and Southern Oceans. <em>Zootaxa.</em> 4166(1): 1-93.
- Blake, James A. (2016). Kirkegaardia (Polychaeta, Cirratulidae), new name for Monticellina Laubier, preoccupied in the Rhabdocoela, together with new records and descriptions of eight previously known and sixteen new species from the Atlantic, Pacific, and Southern Oceans. <em>Zootaxa.</em> 4166(1): 1-93.
- WoRMS Editorial Board (2019-01-08 15:03:00) World Register of Marine Species