MORPHOLOGICAL PHYLOGENY OF ALPHEID SHRIMPS: PARALLEL PREADAPTATION AND THE ORIGIN OF A KEY MORPHOLOGICAL INNOVATION, THE SNAPPING CLAW

@inproceedings{Anker2006MORPHOLOGICALPO,
  title={MORPHOLOGICAL PHYLOGENY OF ALPHEID SHRIMPS: PARALLEL PREADAPTATION AND THE ORIGIN OF A KEY MORPHOLOGICAL INNOVATION, THE SNAPPING CLAW},
  author={Arthur Anker and Shane T. Ahyong and Pierre Y. No{\"e}l and A. Richard Palmer},
  booktitle={Evolution; international journal of organic evolution},
  year={2006}
}
Abstract The Alpheidae—possibly the most diverse family of recent decapod crustaceans—offers attractive opportunities to study the evolution of many intriguing phenomena, including key morphological innovations like spectacular snapping claws, highly specialized body forms, facultative and obligate symbioses with many animal groups, and sophisticated behaviors like eusociality. However, studies of these remarkable adaptations remain hampered by insufficient phylogenetic information. We present… 
Phylogeny of the Infraorder Caridea Based on Mitochondrial and Nuclear Genes (Crustacea: Decapoda)
TLDR
The first comprehensive molecular phylogeny of the infraorder Caridea is presented, combining nuclear and mitochondrial gene sequences, to evaluate the relationships among 14 superfamilies and 30 families and suggests polyphyletic and paraphyletic relationships among genera within the families Atyidae, Pasiphaeidae, Oplophoridae, Hippolytidae, Gnathophyllidae, and Palaemonidae.
Comprehensive analysis and reinterpretation of Cenozoic mesofossils reveals ancient origin of the snapping claw of alpheid shrimps
TLDR
The Cenozoic remains analysed here represent a compelling structural match with extant species of Alpheus and can now be confirmed for the Late Oligocene, providing a novel minimum age for the entire group as well as the first reliable calibration point for deep phylogenetic inferences.
Embryo Production of Two Sympatric Snapping Shrimps of the Genus Alpheus (Caridea: Alpheidae) from Northeastern Brazil: a Comparative Approach
TLDR
It is indicated that sympatric lineages differ regarding reproductive features, suggesting that different selective forces influenced fecundity in these snapping shrimps.
On the Origin of Decapoda
TLDR
Molecular phylogenetic trees for the closely related families Callianassidae and Ctenochelidae as well as for outgroup representatives of the family Axiidae are generated and support was found for continued recognition of many separate genera in this group and for the naming of additional ones.
Provisional revision of American snapping shrimp allied to Alpheus floridanus Kingsley, 1878 (Crustacea: Decapoda: Alpheidae) with notes on A. floridanus africanus.
TLDR
Morphological characters, including curvature and length of the scaphocerite, number teeth on the incisor process of the mandible, number of pereopodal spines, proportions of the major chela, as well as color patterns, support recognition of several species in the Alpheus floridanus complex.
Zuzalpheus Ríos and Duffy, 2007: a junior synonym of Synalpheus Bate, 1888 (Decapoda: Alpheidae)
Abstract The genus Zuzalpheus Ríos and Duffy, 2007 was established for species of the presumably monophyletic Synalpheus gambarelloides species group of the second-most speciose alpheid genus,
Burrow Morphology of Alpheid Shrimps: Case Study of Alpheus brevicristatus and a Review of the Genus
TLDR
The findings suggest that burrow structure is influenced by species-specific characteristics and sediment type, and the possibility that the presence of the symbiotic goby affects the burrow morphology of Alpheus shrimp is discussed.
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TLDR
Phylogenies for Alpheus suggest that specialized ecological requirements and modified claw morphologies have evolved independently several times and support the sister species status of transisthmian pairs analyzed previously, although very similar pairs were not always resolved with the more slowly evolving nuclear loci.
Phylogenetic evidence for an ancient rapid radiation of Caribbean sponge-dwelling snapping shrimps (Synalpheus).
Morphological trends in the genus Heptacarpus (Decapoda, Caridea) and their phylogenetic significance
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Evidence from functional morphology and out-group comparison strongly support the hypothesis that a high epipod (epipod-setobranch complex) number is primitive in Heptacarpus and related genera and that a lower number represents the derived or advanced condition (epIPod loss).
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TLDR
Data from the phylogeny of 13 species of sponge‐dwelling shrimps (Synalpheus) are consistent with hypotheses that cooperative social groups enjoy a competitive advantage over less organized groups or individuals, and that enemy pressure is of central importance in the evolution of animal sociality.
PHYLOGENETIC RELATIONSHIPS OF HIPPOLYTID GENERA, WITH AN ASSIGNMENT OF NEW FAMILIES FOR THE CRANGONOIDEA AND ALPHEOIDEA (CRUSTACEA, DECAPODA, CARIDEA)
TLDR
The traditional practice of naming monotypic taxa of suprageneric level has been avoided, yet all genealogical information indicated in the cladogram can be retrieved from the final classification proposed here for the Crangonoidea and Alpheoidea.
Synalpheus Regalis, New Species, a Sponge-Dwelling Shrimp from the Belize Barrier Reef, with Comments on Host Specificity in Synalpheus
TLDR
The pattern of shrimp distribution among sponge species, and among individual sponges, suggests that suitable habitat at this site is saturated and that competition for living space is intense.
Two more sibling species of alpheid shrimps associated with the Caribbean sea anemones Bartholomea annulata and Heteractis lucida
TLDR
Two new species of snapping shrimp are described and a third Bartholomea associate is described, A. polystictas, which is rare in Jamaica and Haiti but abundant in Venezuela, and A. roquensis, also described below.
The snapping shrimp genus Alpheus from the eastern Pacific (Decapoda, Caridea, Alpheidae)
TLDR
Forty-four species of Alpheus are reported from the eastern Pacific, with the greatest number of species found in the subregion between about 12°N and 2°N (Costa Rica, Panama, Colombia) with the number decreasing north and south of this subregion.
Description of Bermudacaris harti, a new genus, and species (Crustacea: Decapoda: Alpheidae) from anchialine caves of Bermuda
TLDR
A new genus is proposed for an unusual new species of alpheid shrimp, Bermudacaris harti, inhabiting subterranean anehialine caves on the Ber- muda Islands, which suggests that the new species has low fecundity and abbreviated larval development, which might result from its troglobitic life- style.
Description of Coutieralpheus setirostris, new genus, new species, an infaunal alpheid shrimp (Crustacea: Decapoda) from Florida, U.S.A.
TLDR
The new genus Coutieralpheus appears to combine primitive and highly evolved features and is presumably related to the monotypic genus Deio ne u s Dworschak, Anker & Abed-Navandi from the Eastern Atlantic.
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