Onychodus scoticus Newton, a taxon based originally on isolated tooth whorls from the
Lower Devonian (Lochkovian) of 'Turin Hill', Forfar, Scotland was reassigned to the genus …

Parexus Agassiz was one of the first Early Devonian 'spiny sharks' to be described. The
genus is readily recognized by the large size and ornament of its anterior dorsal fin spine …

Silurian vertebrate remains are rare in the Australasian region, mostly lacking from the end
Ordovician to the mid-Ludlow presumably because of the purported Gondwana Ice Age …

Two vertebrate− bearing horizons in the basal Frasnian carbonate of the Chahriseh section,
northeast of Esfahan, yielded microremains of thelodonts, placoderms, acanthodians …

Isolated spines and scales from acanthodian fishes are common elements in vertebrate
assemblages from the Early Devonian (Emsian) of Arizona, Idaho, Nevada, Utah, and …

A small sample of vertebrate fish scales, predominantly those of a thelodont agnathan, the
turiniid Turinia sp. cf. T. nachoi, and a few from the acanthodian gnathostome Nostovicina …

The Early Devonian (Emsian) vertebrate fauna of the Gaspé Peninsula, Quebec (Canada)
shows close affinity with the Emsian fauna from the Atholville beds, New Brunswick …

Well-preserved vertebrate microremains are abundant in the residues from a calcareous
grey siltstone in the karawaka biozone (? late Givetian) of the Aztec Siltstone at Mount …

Middle Devonian vertebrate communities within the Baltica palaeozoogeographical
Province are analysed for intra-and interprovincial connections. Components within the …

An exceptionally well-preserved new acanthothoracid (placoderm fish) presenting complete
endocranium and skull roof, from Saudi Arabia (Qasr Limestone Member, Jauf Formation) …