Results 101 to 110 of about 173 (124)

Figure 13: Phylogenetic results of antiarchs based on a revised data matrix.

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Figure 14: Phylogenetic results of antiarchs and visceral surface conditions of head shield among major antiarch subgroups.

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Bothriolepid antiarchs (Placodermi, Bothriolepididae) from the north-western part of East European platform

, 2011
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Bothriolepiform antiarchs (Pisces, Placodermi) from the devonian of Central Kazakhstan

Paleontological Journal, 2011
Bothriolepiform antiarchs (Placodermi, Antiarchi) are represented by two genera in the Devonian of Central Kazakhstan: Bothriolepis Eichwald (Bothriolepididae) and Tenizolepis Malinovskaja (Dianolepididae). The first includes five species: B. babichevi Malinovskaja, 1992, B. kassini Malinovskaja, 1988, B. amankonyrica Malinovskaja, 1988, B.
S V Moloshnikov
exaly   +3 more sources

New information on the morphology of yunnanolepid antiarchs (Placoderm fishes) from the Early Devonian of South China

Journal of Vertebrate Paleontology, 1996
ABSTRACT Skull morphology is described from acid-prepared articulated specimens of the antiarch Phymolepis cuifenshanensis from the Early Devonian of Yunnan Province, South China. The nasal and circum-orbital bones have a similar structure to the advanced antiarch Bothriolepis, but with the nasal openings bounded laterally by the sclerotic ring ...
Gavin C Young
exaly   +3 more sources

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Middle Devonian bothriolepiform antiarchs (Pisces, Placodermi) from central Kazakhstan and their implication for the antiarch system and phylogeny

Paleontological Journal, 2010
The bothriolepiform antiarchs Tenizolepis asiatica (Obrucheva, 1955), Bothriolepis kassini Malinovskaja, 1988, and B. babichevi Malinovskaya, 1992 from the Givetian (Middle Devonian) of Central Kazakhstan are redescribed. Tenizolepis bychkovi Malinovskaya, 1992, known from the Konyr Formation of the Trudovoe vertebrate locality, is considered to be a ...
S V Moloshnikov
exaly   +2 more sources

The relationships of antiarchs (Devonian placoderm fishes)—evidence supporting placoderm monophyly

Journal of Vertebrate Paleontology, 2008
A recent analysis of the vascularization of the pectoral fin in antiarchs indicated that they resembled jawless osteostracans rather than other jawed vertebrates, thereby challenging the monophyly of the class Placodermi. Examination of the evidence proposed to support this new hypothesis shows misinterpretation of well-established morphology in a ...
Gavin C Young
exaly   +2 more sources

Devonian antiarchs (Pisces, Antiarchi) from central and Southern European Russia

Paleontological Journal, 2008
Antiarchi (Pisces, Placodermi) from the Devonian of central and southern European Russia (Central Devonian Field) are studied. Antiarchs belong to three families, the Asterolepididae, Remigolepididae (suborder Asterolepidoidei), and Bothriolepididae (suborder Bothriolepidoidei). The diagnoses of the order, two suborders, three families, and five genera
S V Moloshnikov
exaly   +2 more sources

New antiarchs (Placodermi) from the Hunter Siltstone (Famennian) near Grenfell, N.S.W.

Alcheringa, 1997
The Hunter Siltstone near Grenfell, New South Wales, contains a rich Upper Devonian fish fauna including the sinolepid Grenfellaspis and the new antiarchs Bothriolepis grenfellensis sp. nov.
Zerina Johanson
exaly   +2 more sources

Ontogenetic development of antiarch dermal ossifications

Geobios, 1995
Abstract The histological structure of the dermal ossifications of juvenile and adult Asterolepis (Placodermi, Antiarchi) isdescribed. Six development stages of the dermal ossifications are described in living soft-shelled turtle (Trionyx). An attempt of reconstruction of the dermal plates and scales development in Asterolepis is made using a ...
Alexandre Ivanov, Gennady Cherepanov, Ervins Luskevics   +2 more
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