Results 71 to 80 of about 191 (100)
Studies on the Arthrodira. Memoirs of the AMNH ; v. 9, pt. 3
Hussakof, L. (Louis), 1881-1965
core +1 more source
A new genus of placoderm (Arthrodira: ‘Actinolepida’) from the Lower Devonian of Podolia (Ukraine) [PDF]
Journal of Vertebrate Paleontology, 2007 A new genus of ‘actinolepid’ arthrodire placoderm, Erikaspis, is named to contain “Kujdanowiaspis” zychi Stensio, 1945, from the Lochkovian–Pragian deposits (Lower Devonian) of Podolia (Ukraine). This new genus occurs together with the genus Kujdanowiaspis Stensio, 1942, to which its type species was previously assigned.
Vincent Dupret +2 more
exaly +5 more sources
Hyperossification in the vertebral column of Devonian placoderm fishes (Arthrodira)
Journal of Vertebrate Paleontology, 2020 Skeletal bone enlargement (hyperossification) was thought to only occur in endochondral and dermal bones (e.g., endoskeletons of marine tetrapods and dermal bones of certain jawless vertebrates, placoderms, and teleost fishes). However, in some arthrodiran placoderms (basal jawed vertebrates), i.e., Millerosteus minor, Compagopiscis croucheri ...
Mason N Dean, Zerina Johanson
exaly +4 more sources
Middle Devonian coccosteid (Arthrodira, Placodermi) biostratigraphy of Scotland and Estonia
Scottish Journal of Geology, 2017 A coccosteid nuchal bone from the Middle Devonian Tamme Cliffs locality in Estonia is described as Dickosteus cf. threiplandi , D . threiplandi being a common species in the Middle Devonian of the Orcadian Basin, Scotland.
Michael J Newman, Jan L Den Blaauwen
exaly +4 more sources