WebEubrachythoraci is an extinct clade of arthrodire placoderms within the suborder Brachythoraci, armored fish most diverse during the Devonian.Most are considered to be pelagic (open ocean) long-distance swimmers, leading to their widespread distribution beginning from at least the Middle Devonian period.. Phylogeny. Brachythoraci is divided … WebNov 28, 2016 · The racer goby ( Babka gymnotrachelus ) is one of the well represented Ponto-Caspian goby species in most Danube Delta Biosphere Reserve lakes and …
Gymnotrachelus - Wikipedia
WebGymnotrachelus is an extinct monospecific genus of large selenosteid arthrodire placoderm of the Late Devonian known from the Late Famennian Cleveland Shale of … WebGymnotrachelus is an extinct monospecific genus of large selenosteid arthrodire placoderm of the Late Devonian known from the Late Famennian Cleveland Shale of … shelly production
(PDF) The Cleveland Shale fauna and the Devonian-Mississippian ...
WebThis study presents a detailed comparative analysis of external morphology of four of the most invasive goby species in Europe (round goby Neogobius melanostomus, bighead goby Ponticola kessleri, monkey goby Neogobius fluviatilis and racer goby Ponticola gymnotrachelus) and interprets some ecological requirements of these species based … Web2 days ago · Melanosteus is an extinct genus of small (skull about 5 centimeters long) selenosteid arthrodire placoderms of the Late Devonian period known from the Upper Frasnian Montagne Noire of Southern France. [1] Rücklin (2011) regards Melanosteus as the sister taxon of Rhinosteus. [2] During the Frasnian stage, Melanosteus occitanus … shelly produkter