Here we present a mitogenomic perspective on the evolution of sharks and rays, being a first
glance on the complete mitochondrial history of such an old and diversified group of …

Chondrichthyes occupy a key position in the phylogeny of vertebrates. The complete
sequence of the mitochondrial genome (mitogenome) of four species of sharks and five …

The phylogenetic analysis of the Chondrichthyes has been the subject of intense debate
over the past two decades. The principal relationships within the group based on the …

Elasmobranchs are one of the most diverse groups in the marine realm represented by 18
orders, 55 families and about 1200 species reported, but also one of the most vulnerable to …

The complete mitochondrial genome of the grey bamboo shark, Chiloscyllium griseum
(Orectolobiformes: Hemiscylliidae) was obtained, with a total of 16 755 base pairs (bp). The …

The whale shark (Rhincodon typus) is the largest extant species of fish, belonging to the
order Orectolobiformes. It is listed as a “vulnerable” species on the International Union for …

Background Mitochondrial DNA-derived sequences have become popular markers for
evolutionary studies, as their comparison may yield significant insights into the evolution of …

Hexanchiformes is regarded as a monophyletic taxon, but the morphological and genetic
relationships between the five extant species within the order are still uncertain. In this study …

We determined the complete mitochondrial (mt) genomes of the deep-sea squid
(Bathyteuthis abyssicola; supperfamily Bathyteuthoidea), the bob-tail squid (Semirossia …

It is commonly acknowledged that cartilaginous fishes, Chondrichthyes, have a basal
position among the Gnathostomata (jawed vertebrates). In order to explore this relationship …