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Calanoida ( Order ) |
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Clausocalanoidea ( Superfamily ) |
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Scolecitrichidae ( Family ) |
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Scolecithrix ( Genus ) |
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Scolecithrix aculeata Esterly, 1913 (F) | |
| | | | | | | Syn.: | Scolecithricella aculeata : Sewell, 1948 (p.557, 563);
? Scolecithrix elephas Esterly, 1913 (p.185, Descr.F, figs.F); Brodsky, 1950 (1967) (p.265, figs.F); Bradford, 1973 (p.143); Bradford & al., 1983 (p.78, Rem.)
Amallothrix aculeata : in CalCOFI regional list (MDO, Nov. 2013, M. Ohman, comm pers.) | | | | Ref.: | | | Esterly, 1913 (p.183, Descr.F, figs.F); Brodsky, 1950 (1967) (p.264, figs.F); Bradford, 1973 (p.143); Bradford & al., 1983 (p.78, Rem.); Vyshkvartzeva, 1999 (2000) (p.235, Rem.) |  Issued from : C.O. Esterly in Univ. Calif. Publs Zool., 1913, 11 (10). [Pl. 10, Figs. 2, 25]. Female (from S California): 2, abdomen and posterior part of thorax (lateral); 25, forhead (lateral). Nota: Bifid rostrum, each prong of which is heavy at the base and carries a delicate but stiff and sharp spine at the distal end.
The last thoracic segment is rounded at the sides and the dorsal margin of the segment is slightly concave.
Abdomen 4-segmented; genital segment nearly as long as the second, 3rd, and 4th together; anal segment short, about 1/10 the length of the 1st segment.
Mx2 with 4 penicillate sensory appendages; the others vermiform.
length of cephalothorax: 1.35 mm.
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 Issued from : C.O. Esterly in Univ. Calif. Publs Zool., 1913, 11 (10). [Pl. 12, Figs. 63, 64]. Female: 63, P5; 64, exopod of P1. Nota: P5 with 3 segments; the distal margins of the first two segments with rows or groups of fine spines, the 3rd segment carries a long heavy spine on the inner margin and a shorter one on the diatal end, both set with small teeth. P5 length = 160 µm. P1 exopod length: 329 µm.
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Distribution map of Scolecithrix aculeata by geographical zones
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| | | | Loc: | | | NE Pacif. (California: San Diego) | | | | N: | 1 | | | | Lg.: | | | (144) F: 1,8; {F: 1,80} | | | | Rem.: | Transfer probable to the genus Amallothrix. | | | Last update : 31/01/2015 | |
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 Any use of this site for a publication will be mentioned with the following reference :
Razouls C., Desreumaux N., Kouwenberg J. and de Bovée F., 2005-2024. - Biodiversity of Marine Planktonic Copepods (morphology, geographical distribution and biological data). Sorbonne University, CNRS. Available at http://copepodes.obs-banyuls.fr/en [Accessed November 21, 2024] © copyright 2005-2024 Sorbonne University, CNRS
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