A. Allcock

Publications107
h-index27
Citations2,274
Highly Influential Citations156
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Congruence between nuclear and mitochondrial genes in Demospongiae: a new hypothesis for relationships within the G4 clade (Porifera: Demospongiae).
TLDR
This is the largest and most comprehensive study of the Demospongiae G4 clade and confirms the polyphyly of Halichondrida, Hadromerida, Dictyonellidae, Axinellidae and Poecilosclerida and shows that several of the characters used in morphological classifications are homoplasious. Expand
Southern Ocean diversity: new paradigms from molecular ecology.
TLDR
It is shown that, in addition to reflecting life-history characteristics, the molecular signals found in these studies provide an insight into how species survived the last glacial maximum (LGM). Expand
The thermohaline expressway: the Southern Ocean as a centre of origin for deep‐sea octopuses
TLDR
It is suggested that the initiation of the global thermohaline circulation provided a mechanism for the radiation of Southern Ocean fauna into the deep sea and acted as an evolutionary driver enabling the Southern Ocean to become a centre of origin for deep‐sea fauna. Expand
Cephalopod biology and fisheries in Europe: II. Species Accounts
Cryptic speciation and the circumpolarity debate: A case study on endemic Southern Ocean octopuses using the COI barcode of life
Three hundred and fifty specimens of the endemic Southern Ocean octopus genus Pareledone, were sequenced for the barcoding gene COI. Geographic coverage comprised the South Shetland Islands, the Ross… Expand
What can the mitochondrial genome reveal about higher-level phylogeny of the molluscan class Cephalopoda?
TLDR
The first analysis of cephalopod mitochondrial gene order is presented and phylogenies based on gene order using Bayesian, distance, and parsimony analysis methods are constructed. Expand
Comparative genomic analysis reveals species-dependent complexities that explain difficulties with microsatellite marker development in molluscs
TLDR
It is argued that a large number of TEs and their transpositional activity may be linked to differential rates of DNA multiplication and recombination, and likely to be an important factor explaining inter-specific variation in genome stability and hence microsatellite marker development success rates. Expand
How useful are the recommended counts and indices in the systematics of the Octopodidae (Mollusca: Cephalopoda)
TLDR
Multivariate analysis of the morphological dataset suggests that these counts and indices, traditionally used for discriminating between species in cephalopods, do not show great discrimination at species level, but provide excellent discrimination at the generic level, and, as such, might be useful for resolving the generic placement of some problematic taxa. Expand
Restricted gene flow and evolutionary divergence between geographically separated populations of the Antarctic octopus Pareledone turqueti
TLDR
The genetic homogeneity of these populations was investigated using isozyme electrophoresis and an estimate of effective population size was also calculated. Expand
Persistent genetic signatures of historic climatic events in an Antarctic octopus
TLDR
It is found that, unusually for a species with poor dispersal potential, P. turqueti has a circumpolar distribution and is also found off the islands of South Georgia and Shag Rocks, and the overriding pattern of spatial genetic structure can be explained by hydrographic and bathymetric features. Expand
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