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Phylogeny and New Classification of Hydrothermal Vent and Seep Shrimps of the Family Alvinocarididae (Decapoda).

Vereshchaka AL, Kulagin DN, Lunina AA - PLoS ONE (2015)

Bottom Line: Both morphological and molecular methods resulted in similar tree topologies and nearly identical clades.Morphological trends within Alvinocarididae are discussed and short biogeographical remarks are given.We provide emended diagnoses for all subfamilies and genera along with keys to all recognized species.

View Article: PubMed Central - PubMed

Affiliation: P.P. Shirshov Institute of Oceanology of Russian Academy of Sciences, Moscow, 117997, Russia.

ABSTRACT
The paper addresses the phylogeny and classification of the hydrothermal vent shrimp family Alvinocarididae. Two morphological cladistic analyses were carried out, which use all 31 recognized species of Alvinocarididae as terminal taxa. As outgroups, two species were included, both representing major caridean clades: Acanthephyra purpurea (Acanthephyridae) and Alpheus echiurophilus (Alpheidae). For additional support of the clades we utilised available data on mitochondrial Cytochrome c Oxidase I gene (CO1) and 16S ribosomal markers. Both morphological and molecular methods resulted in similar tree topologies and nearly identical clades. We consider these clades as evolutionary units and thus erect two new subfamilies: Rimicaridinae (Alvinocaridinides, Manuscaris, Opaepele, Shinkaicaris, Rimicaris), Alvinocaridinae (Alvinocaris), whilst recognising Mirocaridinae (with genera Mirocaris and Nautilocaris) at subfamily level. One genus, Keldyshicaris could not be assigned to any subfamily and is thus left as incertae sedis. The monophyly of Alvinocardinae was supported by morphological data, but not supported by molecular data (two analyses); the monophyly of all subfamilies was supported both by morphological and molecular data. Chorocaris is herein synonymized with Rimicaris, whilst Opaepele vavilovi is herein transferred to a new genus Keldyshicaris. Morphological trends within Alvinocarididae are discussed and short biogeographical remarks are given. We provide emended diagnoses for all subfamilies and genera along with keys to all recognized species.

No MeSH data available.


Morphological characters used for phylogenetic analysis.Thoracic and pleonic appendages. (A), (E) after [12], (B)-(D) after [13].
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pone.0129975.g003: Morphological characters used for phylogenetic analysis.Thoracic and pleonic appendages. (A), (E) after [12], (B)-(D) after [13].

Mentions: Sixty-three morphological characters (ten multistate) were used in the analysis, and are listed in Table 2, along with character states, brief descriptions, and references to figures (see also Figs 1–3). The data matrix is presented in Table 3.


Phylogeny and New Classification of Hydrothermal Vent and Seep Shrimps of the Family Alvinocarididae (Decapoda).

Vereshchaka AL, Kulagin DN, Lunina AA - PLoS ONE (2015)

Morphological characters used for phylogenetic analysis.Thoracic and pleonic appendages. (A), (E) after [12], (B)-(D) after [13].
© Copyright Policy
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4498644&req=5

pone.0129975.g003: Morphological characters used for phylogenetic analysis.Thoracic and pleonic appendages. (A), (E) after [12], (B)-(D) after [13].
Mentions: Sixty-three morphological characters (ten multistate) were used in the analysis, and are listed in Table 2, along with character states, brief descriptions, and references to figures (see also Figs 1–3). The data matrix is presented in Table 3.

Bottom Line: Both morphological and molecular methods resulted in similar tree topologies and nearly identical clades.Morphological trends within Alvinocarididae are discussed and short biogeographical remarks are given.We provide emended diagnoses for all subfamilies and genera along with keys to all recognized species.

View Article: PubMed Central - PubMed

Affiliation: P.P. Shirshov Institute of Oceanology of Russian Academy of Sciences, Moscow, 117997, Russia.

ABSTRACT
The paper addresses the phylogeny and classification of the hydrothermal vent shrimp family Alvinocarididae. Two morphological cladistic analyses were carried out, which use all 31 recognized species of Alvinocarididae as terminal taxa. As outgroups, two species were included, both representing major caridean clades: Acanthephyra purpurea (Acanthephyridae) and Alpheus echiurophilus (Alpheidae). For additional support of the clades we utilised available data on mitochondrial Cytochrome c Oxidase I gene (CO1) and 16S ribosomal markers. Both morphological and molecular methods resulted in similar tree topologies and nearly identical clades. We consider these clades as evolutionary units and thus erect two new subfamilies: Rimicaridinae (Alvinocaridinides, Manuscaris, Opaepele, Shinkaicaris, Rimicaris), Alvinocaridinae (Alvinocaris), whilst recognising Mirocaridinae (with genera Mirocaris and Nautilocaris) at subfamily level. One genus, Keldyshicaris could not be assigned to any subfamily and is thus left as incertae sedis. The monophyly of Alvinocardinae was supported by morphological data, but not supported by molecular data (two analyses); the monophyly of all subfamilies was supported both by morphological and molecular data. Chorocaris is herein synonymized with Rimicaris, whilst Opaepele vavilovi is herein transferred to a new genus Keldyshicaris. Morphological trends within Alvinocarididae are discussed and short biogeographical remarks are given. We provide emended diagnoses for all subfamilies and genera along with keys to all recognized species.

No MeSH data available.