Results 11 to 20 of about 191 (100)
Les Plourdosteidae fam. nov. (Placodermi, Arthrodira) et leurs relations phylétiques au sein des Brachythoraci [PDF]
The study of Plourdosteus canadensis (Brachythoraci, Placodermi) from the Escuminac Formation (Frasnian) led us to erect a new family: the Plourdosteidae. Firstly, we discuss all the characteristics that allowed Ørvig to differentiate the genus Plourdosteus from Coccosteus.
You-An Zhu, Min Zhu, Jun-Qing Wang
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Paleoecology of Dunkleosteus Terrelli (Placodermi: Arthrodira)
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
Carr, Robert K.
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The head shield of Tiaraspis subtilis (Gross) [Pisces, Arthrodira]
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
Schultze, Hans-Peter,
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Redescription of Szelepis Liu, 1981 (Placodermi, Arthrodira), from the Lower Devonian of China
ABSTRACTThe skull roof of the species Szelepis yunnanensis (Liu, 1979) from the Early Devonian of Yunnan is redescribed, as well as other Szelepis material previously published. It appears that only the holotype of S. yunnanensis can be confidently assigned to this genus.
Vincent Dupret, Min Zhu, Jun-Qing Wang
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Actinolepis spinosan. sp. (Arthrodira) from the Early Devonian of Latvia
ABSTRACT Actinolepis spinosa n. sp. from the Early Devonian (Siegenian) of western Latvia, USSR, is rather close to the Middle Devonian type species A. tuberculata Agassiz. In its fused preorbitals Actinolepis is similar to Bollandaspis from the early Emsian of Belgium. Gnathalia are known only in few actinolepids. In A.
Elga Mark-Kurik
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Young, Gavin C. (2003): A new species of Atlantidosteus Lelièvre, 1984 (Placodermi, Arthrodira, Brachythoraci) from the Middle Devonian of the Broken River area (Queensland, Australia).
Young, Gavin C.
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Abstract Gavinaspis convergens, a new genus and species of the Phyllolepida (Placodermi: Arthrodira), is described on the basis of skull remains from the Late Lochkovian (Xitun Formation, Early Devonian) of Qujing (Yunnan, South China). This new form displays a mosaic of characters of basal actinolepidoid arthrodires and more derived phyllolepids. A
V. DUPRET, M. ZHU
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ABSTRACT A new species of the phlyctaeniid arthrodire genus Groenlandaspis from the upper Famennian of Belgium is described. The remains of Groenlandaspis potyi, sp. nov., consist of dissociated thoracic armor elements, but the specimen designated to be the holotype displays the median dorsal, anterior, and posterior dorsolateral plates in articulation.
Olive, Sébastien +2 more
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A biomechanical model of feeding kinematics for Dunkleosteus terrelli (Arthrodira, Placodermi)
Biomechanical models illustrate how the principles of physics and physiology determine function in organisms, allowing ecological inferences and functional predictions to be based on morphology. Dynamic lever and linkage models of the mechanisms of the jaw and skull during feeding in fishes predict function from morphology and have
Anderson, PSL, Westneat, MW
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