WoRMS taxon details
original description
Blake, James A. (2015). New species of Scalibregmatidae (Annelida, Polychaeta) from the East Antarctic Peninsula including a description of the ecology and post-larval development of species of <em>Scalibregma </em>and <em>Oligobregma</em>. <em>Zootaxa.</em> 4033(1): 57-93., available online at https://doi.org/10.11646/zootaxa.4033.1.3 page(s): 80-84, figs. 8-9 [details]
context source (Deepsea)
Blake, James A. (2015). New species of Scalibregmatidae (Annelida, Polychaeta) from the East Antarctic Peninsula including a description of the ecology and post-larval development of species of <em>Scalibregma </em>and <em>Oligobregma</em>. <em>Zootaxa.</em> 4033(1): 57-93., available online at https://doi.org/10.11646/zootaxa.4033.1.3 [details]
Present Present in aphia/obis/gbif/idigbio Inaccurate Introduced: alien Containing type locality
Holotype LACM Poly 7013, geounit Antarctic Peninsula [details]
Nontype Private J.A. Blake, geounit Antarctic Peninsula [details]
Nontype Private J.A. Blake, geounit Antarctic Peninsula [details]
Nontype Private J.A. Blake, geounit Antarctic Peninsula [details]
Nontype Private J.A. Blake, geounit Antarctic Peninsula [details]
Nontype Private J.A. Blake, geounit Antarctic Peninsula [details]
Nontype Private J.A. Blake, geounit Antarctic Peninsula [details]
Nontype Private J.A. Blake, geounit Antarctic Peninsula [details]
Paratype LACM Poly 7011, geounit Antarctic Peninsula [details]
Paratype LACM Poly 7012, geounit Antarctic Peninsula [details]
Paratype LACM Poly 7014, geounit Antarctic Peninsula [details]
Paratype USNM 1281914, geounit Antarctic Peninsula [details]
From editor or global species database
Depth range Deep-sea context derived from a specimen depth data search [details]
Depth range 323-912 m. [details]
Distribution Southern Ocean: East Antarctic Peninsula, former Larsen Ice Shelf A area. [details]
Etymology The specific epithet mucronata is the Latin adjective for 'pointed', and refers to the sharply pointed thin aristate-like tip on some of the large acicular spines of chaetigers 1-3. [details]
Habitat Sediments coarse-grained in the upper 5 cm near the surface, overlying fine-grained silt and clay size sediments with depth, between 323-912 m depth.
[details]
Reproduction Sperm platelets observed in one large paratype measuring 10 mm long with 27 chaetigers. Individual sperm observed to have a short rounded nucleus, middle piece consisting of two spherical mitochondria and a long tail or flagellum. Morphology of juveniles described by Blake (2015: 82). [details]
Type locality Southern Ocean, East Antarctic Peninsula, Larsen-A Ice Shelf Area, Greenpeace Trough, Sta. NBP-21 (64º45.827'S, 060º19.450'W), 912 m. [details]
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