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  • noun

Words related to placoderm

fish-like vertebrate with bony plates on head and upper body

References in periodicals archive ?
2003; Turner and Miller 2008) and placoderms (Young 1983), almost all from the breccia-mudstone at the eastern end of the 'Atholville Beds' in Campbellton.
In 2013, Ahlberg and colleagues found a new clue in a 419-million-year-old fossil that had the body of a placoderm but the three-part jaw of a bony fish.
Scientists were excited by its mix of traits from placoderms - an extinct armoured fish - and bony fish, which gave rise to all modern fish that have jaws and skeletons made of bone.
The dermal plates of the other placoderm fishes, Plourdosteus livonicus and Eastmanosteus cf.
The study, carried out by a team of researchers from China and Sweden, was published Thursday under the title "A Silurian maxillate placoderm illuminates jaw evolution" in the (http://science.
Called placoderms, these extinct animals were among the earliest vertebrates with jaws.
Although rare placoderm fossils have been found in southwestern Ontario, these fishes did not have individual teeth.
Although tens of placoderm fossil remains were collected in Plucki during long-term excavation works between 1996 and 2006 (see Szrek 2008, 2009; Szrek & Niedzwiedzki 2015; Dworczak & Szrek 2016), only few specimens have been described formally.
Grishin of the Geological Institute of the Russian Academy of Sciences (GIN RAS) presented a postcranial bone of an arthrodire placoderm to the Borissiak Paleontological Institute of RAS (PIN RAS).
The genus Guerichosteus, which had previously been known from the Emsian of Poland (Holy Cross Mountains, placoderm sandstone, Rhinopteraspis cornubica Zone), is also found in the Lower Eifelian of Estonia.
Storm origin of bone-bearing beds in the Lower Devonian placoderm sandstone from Podlazie Hill (Holy Cross Mountains, central Poland).
The almost complete skeleton of the placoderm Heterostius ingens Asmuss is found at the same level in the Arukula deposits near Belogorka village (Ivanov et al.
In May 2008, Dr John Long and colleagues announced in Nature they had discovered a 380 million-year-old fossil of a pregnant female placoderm (Materpiscis attenboroughi), complete with an umbilical cord and embryo.
Later Vasiliauskas (1963) provided the description of the placoderm Phyllolepis tolli and a list of vertebrate taxa from this locality.