On the Systematic Position of Galatheacaris abyssalis (Decapoda: Galatheacaridoidea)

The systematic status of Galatheacaris abyssalis is assessed on the basis of recently collected material. Mitochondrial DNA analysis reveals that the 16S rRNA sequence from one specimen is identical with that of Eugonatonotus chacei, while the COI sequences of the two taxa diverge only by 0.6% (3 bp...

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Published in:Journal of crustacean biology 2010-08, Vol.30 (3), p.521-527
Main Authors: DeGrave, Sammy, Chu, Ka Hou, Chan, Tin-Yam Y
Format: Article
Language:English
Subjects:
Caridea
Crustaceans
Decapoda
DNA
DNA barcoding
Eugonatonotus
Eugonatonotus chacei
Galatheacarididae
Galatheacaris
Galatheacaris abyssalis
Holotypes
Larvae
Larval development
Marine
Polymerase chain reaction
Shrimp
Systematics, Biogeography and Phylogeny
Taxa
Young animals
Zoology
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creator DeGrave, Sammy
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description The systematic status of Galatheacaris abyssalis is assessed on the basis of recently collected material. Mitochondrial DNA analysis reveals that the 16S rRNA sequence from one specimen is identical with that of Eugonatonotus chacei, while the COI sequences of the two taxa diverge only by 0.6% (3 bp), indicating that the two taxa are conspecific. Based on the morphological development of specimens attributed to G. abyssalis, we conclude that this taxon represents the megalopal stage of E. chacei. Therefore, the family Galatheacarididae and the superfamily Galatheacaridoidea should be abandoned.
doi_str_mv 10.1651/10-3278.1
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source JSTOR Archival Journals and Primary Sources Collection; Alma/SFX Local Collection; Oxford University Press:Jisc Collections:OUP Read and Publish 2024-2025 (2024 collection) (Reading list)
subjects Caridea
Crustaceans
Decapoda
DNA
DNA barcoding
Eugonatonotus
Eugonatonotus chacei
Galatheacarididae
Galatheacaris
Galatheacaris abyssalis
Holotypes
Larvae
Larval development
Marine
Polymerase chain reaction
Shrimp
Systematics, Biogeography and Phylogeny
Taxa
Young animals
Zoology
title On the Systematic Position of Galatheacaris abyssalis (Decapoda: Galatheacaridoidea)
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