Larval development of Phylladiorhynchus pusillus (Henderson, 1885) (Decapoda, Anomura, Galatheidae)

ABSTRACT The larval development of Phylladiorhynchus pusillus is described from plankton specimens from the coast of Easter Island (27°20′S, 109°40′W). The morphological description of five zoeae and megalopae are given, comparing the meristic characters of the larvae with those...

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Autores principales:	Mujica,Armando, González-Cornejo,Francisca, Meerhoff,Erika, Yannicelli,Beatriz
Lenguaje:	English
Publicado:	Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar 2019
Materias:	Phylladiorhynchus pusillus larvae Decapoda Galatheidae Easter Island
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2019000500774
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spelling	oai:scielo:S0718-560X20190005007742019-12-05Larval development of Phylladiorhynchus pusillus (Henderson, 1885) (Decapoda, Anomura, Galatheidae)Mujica,ArmandoGonzález-Cornejo,FranciscaMeerhoff,ErikaYannicelli,Beatriz Phylladiorhynchus pusillus larvae Decapoda Galatheidae Easter Island ABSTRACT The larval development of Phylladiorhynchus pusillus is described from plankton specimens from the coast of Easter Island (27°20′S, 109°40′W). The morphological description of five zoeae and megalopae are given, comparing the meristic characters of the larvae with those of other galatheids, and the differences that allow their discrimination. The first larval stage of P. pusillus differs from the larvae described for the genus Galathea, by the slight segmentation between the basi and exopodite of the third maxilliped, in addition to the presence of four plumose setae at the distal end of the exopodite. The second zoea can also be differentiated because the number of plumose setae is maintained at the distal end of the exopodite, with two setae less than its congeners of the genus Galathea. The scientific name of the species is discussed, which is one of the two Galatheidae species from the coasts of Chile, according to Ahyong et al. (2010) classification. The most notable difference of the examined zoeae, concerning the other species, and what is described for P. integrirostris, is the slight segmentation between the exopodite and the basipodite of the third maxilliped and the presence of four plumose setae on the distal end of the exopodite.info:eu-repo/semantics/openAccessPontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del MarLatin american journal of aquatic research v.47 n.5 20192019-11-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2019000500774en10.3856/vol47-issue5-fulltext-6
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Phylladiorhynchus pusillus larvae Decapoda Galatheidae Easter Island
spellingShingle	Phylladiorhynchus pusillus larvae Decapoda Galatheidae Easter Island Mujica,Armando González-Cornejo,Francisca Meerhoff,Erika Yannicelli,Beatriz Larval development of Phylladiorhynchus pusillus (Henderson, 1885) (Decapoda, Anomura, Galatheidae)
description	ABSTRACT The larval development of Phylladiorhynchus pusillus is described from plankton specimens from the coast of Easter Island (27°20′S, 109°40′W). The morphological description of five zoeae and megalopae are given, comparing the meristic characters of the larvae with those of other galatheids, and the differences that allow their discrimination. The first larval stage of P. pusillus differs from the larvae described for the genus Galathea, by the slight segmentation between the basi and exopodite of the third maxilliped, in addition to the presence of four plumose setae at the distal end of the exopodite. The second zoea can also be differentiated because the number of plumose setae is maintained at the distal end of the exopodite, with two setae less than its congeners of the genus Galathea. The scientific name of the species is discussed, which is one of the two Galatheidae species from the coasts of Chile, according to Ahyong et al. (2010) classification. The most notable difference of the examined zoeae, concerning the other species, and what is described for P. integrirostris, is the slight segmentation between the exopodite and the basipodite of the third maxilliped and the presence of four plumose setae on the distal end of the exopodite.
author	Mujica,Armando González-Cornejo,Francisca Meerhoff,Erika Yannicelli,Beatriz
author_facet	Mujica,Armando González-Cornejo,Francisca Meerhoff,Erika Yannicelli,Beatriz
author_sort	Mujica,Armando
title	Larval development of Phylladiorhynchus pusillus (Henderson, 1885) (Decapoda, Anomura, Galatheidae)
title_short	Larval development of Phylladiorhynchus pusillus (Henderson, 1885) (Decapoda, Anomura, Galatheidae)
title_full	Larval development of Phylladiorhynchus pusillus (Henderson, 1885) (Decapoda, Anomura, Galatheidae)
title_fullStr	Larval development of Phylladiorhynchus pusillus (Henderson, 1885) (Decapoda, Anomura, Galatheidae)
title_full_unstemmed	Larval development of Phylladiorhynchus pusillus (Henderson, 1885) (Decapoda, Anomura, Galatheidae)
title_sort	larval development of phylladiorhynchus pusillus (henderson, 1885) (decapoda, anomura, galatheidae)
publisher	Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar
publishDate	2019
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2019000500774
work_keys_str_mv	AT mujicaarmando larvaldevelopmentofphylladiorhynchuspusillushenderson1885decapodaanomuragalatheidae AT gonzalezcornejofrancisca larvaldevelopmentofphylladiorhynchuspusillushenderson1885decapodaanomuragalatheidae AT meerhofferika larvaldevelopmentofphylladiorhynchuspusillushenderson1885decapodaanomuragalatheidae AT yannicellibeatriz larvaldevelopmentofphylladiorhynchuspusillushenderson1885decapodaanomuragalatheidae
_version_	1714205227793514496

Larval development of Phylladiorhynchus pusillus (Henderson, 1885) (Decapoda, Anomura, Galatheidae)

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