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Cyclopoida ( Order ) |
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Oithonidae ( Family ) |
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Limnoithona ( Genus ) |
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Limnoithona tetraspina Zhang & Li, 1976 (F,M) | |
| | | | | | | Ref.: | | | Boxshall & Halsey, 2004 (p. 611) |  Issued from : G. Zhang & Z. Li in Acta Zoologica Sinica, 1976, 22 (4). [p.403, Figs.1-10]. Female (from mouth of Yangtse): 1, habitus (dorsal); 2, rostrum (lateral); 3, P1; 4, P2; 5, P3; 6, P4; 7, P5. Male: 8, habitus (dorsal); 9, A1; 10, P5 and genital segment. Nota Female: Caudal rami 6 times as long as broad. P1 to P4 with exopods and endopods 3-segmented. P5 2-segmented, basal segment fused with 5th thoracic segment, distal segment bearing 2 spines on outer border, a long seta at distal end and small spine at the distal portion of the inner border. Nota Male: Grasping A1 14-segmented. P5 similar to that of the female in general ap^pearance. P6 bearing 2 setae of unequal lengths.
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 Issued from : G. Zhang & Z. Li in Acta Zoologica Sinica, 1976, 22 (4). [p.405]. Characters compared between L. tetraspina and L. sinensis.
| | | | | Compl. Ref.: | | | Dussart & Defaye, 1985 (p.10); Ohtsuka & al., 2008 (p.115, Table 5); Cordell & al., 1997 (p.2, invasive species, % change 1980-1997); Winder & al., 12011 (p.749, figs.2, 6, invasion chronology); Bollens & al., 2012 (p.101, fig.2, Table 1, species competition); Kimmerer & al., 2014 (p.722, reproduction , growth vs food) | | | | NZ: | 3 | | |
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Distribution map of Limnoithona tetraspina by geographical zones
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| | | | | |  Issued from : M. Winder, A.D. Jassby & R.M. Nally in Ecology Letters, 2011, 14. [p.753, Fig.3, e].
Historical abundances of introduced species in the upper San Francisco Estuary between 1972 and 2009.
Adult stages are shown because immature stages were not continuously identified. |
| | | | Loc: | | | China (brackish), mouth of Yangtze River, East China Sea, San Francisco and Columbia River estuaries | | | | N: | 6 | | | | Lg.: | | | (1173) F: 0,48-0,44; M: 0,40-0,44; {F: 0,48-0,44; M: 0,40-0,44} | | | | Rem.: | Incomplete data.
According to Cordell & al., 2008 (p.753) the 1st records of this species in San Francisco estuary and Columbia River are 1993 for the former and 2003 for the latter.
Diagnosis after Boxshall & Halsey (2004, p.611):
P5 2-segmented, with 4 spines/setae on free exopodal segment. | | | Last update : 04/02/2016 | |
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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 April 26, 2024] © copyright 2005-2024 Sorbonne University, CNRS
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