Mysid;
eastern Pacific;
Central America;
taxonomy;
new species;
Peracarida;
GENUS;
LEPTOMYSINAE;
EXTENSIONS;
DOXOMYSIS;
GULF;
KEY;
D O I:
10.1590/2358-2936e2019016
中图分类号:
Q17 [水生生物学];
学科分类号:
071004 ;
摘要:
Mysidopsis gemina n. sp. is described from protected and exposed beach habitats in the provinces of Puntarenas and Guanacaste on the northern Pacific coast of Costa Rica. Morphologically, M. gemina most closely resembles M. furca Bowman, 1957 known from the Atlantic and Gulf Coasts of North America. Both these species are unique within the genus by their distinctively sexually dimorphic telsons. The new Costa Rican species can be distinguished from M. furca and other species of Mysidopsis by a combination of having a male with biarticulated endopods on the first pleopods and pleopods 2-5 with large plate-like pseudopodia (exites). The occurrence of these characters and morphological features within the subfamily Leptomysinae is discussed.
机构:
Univ Nacl Autonoma Mexico, Postgrad Ciencias Mar & Limnol, Av Univ 3000,Ciudad Univ, Mexico City 04510, Mexico
Univ Nacl Autonoma Mexico, Unidad Acad Mazatlan, Inst Ciencias Mar & Limnol, AP 811, Mazatlan 82000, Sinaloa, MexicoUniv Nacl Autonoma Mexico, Postgrad Ciencias Mar & Limnol, Av Univ 3000,Ciudad Univ, Mexico City 04510, Mexico
Carlos Hernandez-Payan, Jose
Hendrickx, Michel E.
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机构:
Univ Nacl Autonoma Mexico, Unidad Acad Mazatlan, Inst Ciencias Mar & Limnol, AP 811, Mazatlan 82000, Sinaloa, MexicoUniv Nacl Autonoma Mexico, Postgrad Ciencias Mar & Limnol, Av Univ 3000,Ciudad Univ, Mexico City 04510, Mexico
机构:
Univ Nacl Autonoma Mexico, Inst Ciencias Mar & Limnol ICML, Lab Sistemat & Ecol Equinodermos, Colecc Nacl Equinodermos Dra Ma Elena Caso Munoz, Ciudad De Mexico 04510, MexicoUniv Nacl Autonoma Mexico, Inst Ciencias Mar & Limnol ICML, Lab Sistemat & Ecol Equinodermos, Colecc Nacl Equinodermos Dra Ma Elena Caso Munoz, Ciudad De Mexico 04510, Mexico
Alonso Solis-Marin, Francisco
Alvarado, Juan Jose
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机构:
Univ Costa Rica, Ciudad Invest, Ctr Invest Ciencias Mar & Limnol CIMAR, San Jose 115012060, Costa RicaUniv Nacl Autonoma Mexico, Inst Ciencias Mar & Limnol ICML, Lab Sistemat & Ecol Equinodermos, Colecc Nacl Equinodermos Dra Ma Elena Caso Munoz, Ciudad De Mexico 04510, Mexico
Alvarado, Juan Jose
Andres Conejeros-Vargas, Carlos
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机构:
UNAM, Posgrad Ciencias Mar & Limnol, Av Ciudad Univ 3000, Ciudad De Mexico 04510, MexicoUniv Nacl Autonoma Mexico, Inst Ciencias Mar & Limnol ICML, Lab Sistemat & Ecol Equinodermos, Colecc Nacl Equinodermos Dra Ma Elena Caso Munoz, Ciudad De Mexico 04510, Mexico
Andres Conejeros-Vargas, Carlos
Alejandra Caballero-Ochoa, Andrea
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h-index: 0
机构:
UNAM, Fac Ciencias, Circuito Exterior S-N, Ciudad De Mexico 04510, Mexico
Univ Nacl Autonoma Mexico, Posgrad Ciencias Biol, Ciudad De Mexico, MexicoUniv Nacl Autonoma Mexico, Inst Ciencias Mar & Limnol ICML, Lab Sistemat & Ecol Equinodermos, Colecc Nacl Equinodermos Dra Ma Elena Caso Munoz, Ciudad De Mexico 04510, Mexico
机构:
Univ Costa Rica, Escuela Biol, San Jose 115012060, Costa RicaUniv Costa Rica, Escuela Biol, San Jose 115012060, Costa Rica
Alpizar-Villalobos, Crista
Gatgens-Garcia, Johan
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h-index: 0
机构:
Univ Costa Rica, Escuela Biol, San Jose 115012060, Costa RicaUniv Costa Rica, Escuela Biol, San Jose 115012060, Costa Rica
Gatgens-Garcia, Johan
Jimenez-Huezo, Gabriel
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机构:
Univ Costa Rica, Escuela Biol, San Jose 115012060, Costa RicaUniv Costa Rica, Escuela Biol, San Jose 115012060, Costa Rica
Jimenez-Huezo, Gabriel
Rodriguez-Arias, Marco
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机构:
Univ Costa Rica, Escuela Biol, San Jose 115012060, Costa RicaUniv Costa Rica, Escuela Biol, San Jose 115012060, Costa Rica
Rodriguez-Arias, Marco
Molina, Helena
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h-index: 0
机构:
Univ Costa Rica, Escuela Biol, San Jose 115012060, Costa Rica
Univ Costa Rica, Ctr Invest Ciencias Mar & Limnol CIMAR, San Jose, Costa RicaUniv Costa Rica, Escuela Biol, San Jose 115012060, Costa Rica
Molina, Helena
Villalobos, Javier
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h-index: 0
机构:
Lab Nacl Nanotecnol LANOTEC CeNAT CONARE, San Jose 11741200, Costa RicaUniv Costa Rica, Escuela Biol, San Jose 115012060, Costa Rica
Villalobos, Javier
Paniagua, Sergio A.
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h-index: 0
机构:
Lab Nacl Nanotecnol LANOTEC CeNAT CONARE, San Jose 11741200, Costa RicaUniv Costa Rica, Escuela Biol, San Jose 115012060, Costa Rica
Paniagua, Sergio A.
Vega-Baudrit, Jose R.
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h-index: 0
机构:
Lab Nacl Nanotecnol LANOTEC CeNAT CONARE, San Jose 11741200, Costa RicaUniv Costa Rica, Escuela Biol, San Jose 115012060, Costa Rica