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Alvizu, A.; Xavier, J.R.; Rapp, H.T. (2019). Description of new chiactine-bearing sponges provides insights into the higher classification of Calcaronea (Porifera: Calcarea). Zootaxa. 4615(2): 201-251.
349069
10.11646/zootaxa.4615.2.1 [view]
Alvizu, A.; Xavier, J.R.; Rapp, H.T.
2019
Description of new chiactine-bearing sponges provides insights into the higher classification of Calcaronea (Porifera: Calcarea)
Zootaxa
4615(2): 201-251
Publication
Available for editors  PDF available [request]
A recent phylogenetic study revealed a close relationship between chiactine-bearing (family Achramorphidae, order Leucosolenida) and pugiole-bearing (order Baerida) calcaronean sponges as well as new putative taxa within Achramorphidae. In this study, we present a revision of chiactine-bearing sponges based on morphological re-examination of type material and recently collected specimens, in addition to new molecular data for the ribosomal 18S and C-region of the 28S. We provide re-descriptions for all known chiactine-bearing species, and further describe two new species from the Antarctic (Achramorpha antarctica sp. nov. and Megapogon schiaparellii sp. nov.) and two new species and a new genus from the Nordic Seas (Achramorpha ingolfi sp. nov. and Sarsinella karasikensis gen. nov. sp. nov.). The new phylogenetic reconstruction based on ribosomal 18S and C-region of the 28S confirms previous findings about the close relationship of some members of Baerida and the family Achramorphidae of the order Leucosolenida. However, new material and the addition of molecular data from the type species of both taxa would be required to formally propose changes at (sub-)ordinal levels within the classification of Calcaronean sponges.
Systematics, Taxonomy
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Date
action
by
2019-06-13 11:09:36Z
created
2019-06-19 07:38:45Z
changed
2019-06-24 16:39:13Z
changed

Arctic Lower Bathyal Province for Achramorpha ingolfi Alvizu, Xavier & Rapp, 2019 
North and East Barents Sea for Sarsinella karasikensis Alvizu, Xavier & Rapp, 2019 
Paratype MNA 02762, geounit Antarctica part of the Southern Ocean, identified as Megapogon schiaparellii Alvizu, Xavier & Rapp, 2019
Paratype MNA 07813, geounit Antarctica part of the Southern Ocean, identified as Megapogon schiaparellii Alvizu, Xavier & Rapp, 2019
Holotype MNA 08193, geounit Antarctica part of the Southern Ocean, identified as Megapogon schiaparellii Alvizu, Xavier & Rapp, 2019
Holotype ZMUB 127207, geounit Norwegian part of the North Sea, identified as Achramorpha ingolfi Alvizu, Xavier & Rapp, 2019
Paratype ZMUB 127208, geounit Norwegian part of the North Sea, identified as Achramorpha ingolfi Alvizu, Xavier & Rapp, 2019
Paratype MZUB 127210, geounit North and East Barents Sea, identified as Sarsinella karasikensis Alvizu, Xavier & Rapp, 2019
Paratype ZMUB 127211, geounit Arctic Ocean, identified as Sarsinella karasikensis Alvizu, Xavier & Rapp, 2019
Holotype ZMUB 127212, geounit Arctic Ocean, identified as Sarsinella Alvizu, Xavier & Rapp, 2019
Holotype ZMUB 127212, geounit Arctic Ocean, identified as Sarsinella karasikensis Alvizu, Xavier & Rapp, 2019
Paratype ZMUB 127213, geounit Arctic Ocean, identified as Sarsinella karasikensis Alvizu, Xavier & Rapp, 2019
Paratype ZMUB 127214, geounit Arctic Ocean, identified as Sarsinella karasikensis Alvizu, Xavier & Rapp, 2019
Paratype NHMUK BMNH 1926.10.26.250, identified as Achramorpha antarctica Alvizu, Xavier & Rapp, 2019
Holotype NHMD NHMD-611894, geounit Weddell Sea, identified as Achramorpha antarctica Alvizu, Xavier & Rapp, 2019
Paratype ZMC NHMD-611895, geounit Norwegian part of the North Sea, identified as Achramorpha ingolfi Alvizu, Xavier & Rapp, 2019


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