Chondrichthyes

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Related to Chondrichthyans: cartilaginous fish
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Synonyms for Chondrichthyes

References in periodicals archive ?
Nevertheless, the new material has not provided enough evidence to clarify the interrelationships of Karksiodus with other chondrichthyans.
However, it was immediately apparent that they represented an undescribed egg capsule, being unlike any other egg capsule yet described for a chondrichthyan fish.
Abstract: A suite of fossils collected from the Warsaw Formation (Mississippian) of Missouri includes brachiopods, bryozoans, cnidarians, poriferans, echinoderms, and chondrichthyan teeth.
Part of a large chondrichthyan fin spine from Middle Pennsylvanian deposits of Illinois was described and named Xystracanthus mirabilis by St.
Articulated specimens of thelodonts and possible chondrichthyans were collected from a single locality in the type section of the graptolitic Cape Phillips Formation on the northeast coast of Cornwallis Island where they occur throughout a 2 m interval of thinly-bedded argillaceous limestone (GSC locality C-26661; UTM Zone 15X, 457500E, 8393250N).
The use of DNA barcoding, the sequencing of a ca 655 bp region of the mitochondrial cytochrome c oxidase I (COI) gene, has proven to be highly effective at discriminating between chondrichthyan species (Ward et al.
Other groups of vertebrates, such as psammosteids, placoderms, acanthodians and porolepiforms, predominate in those assemblages while the chondrichthyans are occasional accessory elements.
Gross 1973; Schultze 1977; Derycke & Chancogne-Weber 1995; Beznosov 2001, 2005) and extant chondrichthyans (Reif 1985), and has been explained as imprints of epidermal cells (Gross 1973) or as a reflection of the composition of the underlying tissue (e.
canicula, urochordate and chondrichthyan species were also observed in stomachs and were classified as accidental prey items.
Eighteen of these fins failed to yield a chondrichthyan sequence, but the remaining 193 fins could be identified as comprising 27 different species of sharks and rays.
New thelodont (Agnatha) and possible chondrichthyan (Gnathostomata) taxa established in the Silurian and Lower Devonian of the Canadian Arctic Archipelago.
The polygonal ultrasculpture has also been described on the true scales of a chondrichthyan Kannathalepis milleri (in Marss & Gagnier 2001, figs.