Results 51 to 60 of about 387 (155)

Vertebrate relationships and Romundina.

, 2017
A. General phylogenetic relationships among Vertebrata (modified after [5]:fig 9.1). B. Phylogenetic relationships among the Placodermi, resolving them as a monophyletic group, among which the Acanthothoraci (indicated by an asterisk) are not ...
Daniel Goujet (162632), Sophie Sanchez (83642), Per Erik Ahlberg (443685), Vincent Dupret (382346)   +3 more
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CPW.9A ASG vasculature

, 2017
Acanthothoraci (CPW.9A); 'Placodermi', Prince of Wales Island, Canada (Early Devonian, Lochkovian). Movie showing oral denticles and associated vasculature (large blood vessels and capillary bed)
Daniel Goujet (162632), Meredith Smith, Moya, Zerina Johanson (723989), Clark, Brett, Johanson, Zerina, Moya Meredith Smith (723993), Brett Clark (379810), Goujet, Daniel   +7 more
core   +1 more source

Figure 1. Dinichthys herzeri. A, AMNH 81 in Two new species of Dunkleosteus Lehman, 1956, from the Ohio Shale Formation (USA, Famennian) and the Kettle Point Formation (Canada, Upper Devonian), and a cladistic analysis of the Eubrachythoraci (Placodermi, Arthrodira)

, 2010
Figure 1. Dinichthys herzeri. A, AMNH 81 (holotype), incomplete nuchal plate in internal view. B, AMNH 73 (paratype), left inferognathal plate in lateral view. C, AMNH 34, left anterior superognathal in lateral view.
Carr, Robert K., Hlavin, William J.
core   +1 more source

Figure 8 in Two new species of Dunkleosteus Lehman, 1956, from the Ohio Shale Formation (USA, Famennian) and the Kettle Point Formation (Canada, Upper Devonian), and a cladistic analysis of the Eubrachythoraci (Placodermi, Arthrodira)

, 2010
Figure 8. Dorsal view of a generalized eubrachythoracid arthrodire skull roof, presented as a flattened image. The measurements (a, b, and c) used in the length ratios (r1 and r2) of characters 92 and 93 are indicated: r1 (character 92) = b/c; r2 ...
Carr, Robert K., Hlavin, William J.
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CPW.9A ASG aboral surface

, 2017
Acanthothoraci (CPW.9A); 'Placodermi', Prince of Wales Island, Canada (Early Devonian, Lochkovian). Movie with virtual sections progressing anteroposteriorly, to show the flatter aboral surface of the ASG oral plate, and its connection to the ethmoidal ...
Daniel Goujet (162632), Meredith Smith, Moya, Zerina Johanson (723989), Clark, Brett, Johanson, Zerina, Moya Meredith Smith (723993), Brett Clark (379810), Goujet, Daniel   +7 more
core   +1 more source

A new tubalepid fish (Antiarcha, Placodermi) from the Middle Devonian of Huize, Yunnan, China

Swiss Journal of Palaeontology
A new genus and species of tubalepid antiarch, Tongdulepis concavus gen. et sp. nov., is described from the Middle Devonian (Qujing Formation, late Eifelian) in Huize County, Qujing, northeastern Yunnan, China.
Yanchao Luo, Zhaohui Pan, Min Zhu
doaj   +1 more source

FIG. 15 in Bothriolepid antiarchs (Vertebrata, Placodermi) from the Devonian of the north-western part of the East European Platform

, 2001
FIG. 15. — Bothriolepis traudscholdi Jaekel, 1927; A, head-shield PIN 330/113 in dorsal view; B, head-shield, anterior part of AMD, left ADL, AVL, CD1 and CV1 PIN 2917/45 in lateral view; C, head-shield, anterior part of AMD, both ADL, right AVL and ...
Lukševičs, Erwin
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Figure 2 in The morphology of Yujiangolepis liujingensis (Placodermi, Arthrodira) from the Pragian of Guangxi (south China) and its phylogenetic significance

, 2009
Figure 2. Subcomplete skull roof of Yujiangolepis liujingensis Wang et al., 1998 (holotype IVPP V 1957). A, photograph of the skull roof in dorsal view; B, magnification around right central and anterior paranuchal plates; C, interpretative sketch of the
Dupret, Vincent, Wang, Jun-Qing, Zhu, Min   +2 more
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Fusion, gene misexpression and homeotic transformations in vertebral development of the gnathostome stem group (Placodermi)

The International Journal of Developmental Biology, 2010
Development of the vertebral column is controlled by a complex of pleiotropic and polygenetic phenomena, in the mouse and chick regulating formation of different parts of individual vertebrae and morphological identity along the column (Hox code). In mouse and chick, experimental misexpression, including upstream and downstream genes, results in shifts
Zerina, Johanson, Robert, Carr, Alex, Ritchie   +2 more
openaire   +3 more sources

FIG. 3 in A new species of Atlantidosteus Lelièvre, 1984 (Placodermi, Arthrodira, Brachythoraci) from the Middle Devonian of the Broken River area (Queensland, Australia)

, 2003
FIG. 3. — Restoration of the right suborbital (SO) plate of Atlantidosteus pacifica n. sp.; A, external surface; B, internal surface; C, section through the suborbital lamina at the level indicated (arrow in B). Abbreviations: att.aup, attachment surface
Young, Gavin C.
core   +1 more source