Results 41 to 50 of about 387 (155)

Bioerosion in the Late Devonian placoderm remains from the Holy Cross Mountains, Poland

Acta Palaeontologica Polonica
We report the first occurrence of trace fossils in placoderm bones from the Upper Devonian of the Holy Cross Mountains. A taxonomic analysis of three ichnogenera revealed the earliest evidence of Sulculites (ie., Sulculites bellus), characterised by ...
Patrycja G. Dworczak, Piotr Szrek, Olga Wilk   +2 more
doaj   +1 more source

The Upper Devonian fish Bothriolepis (Placodermi: Antiarchi) from near Canowindra, New South Wales, Australia

, 1998
Johanson, Zerina (1998): The Upper Devonian fish Bothriolepis (Placodermi: Antiarchi) from near Canowindra, New South Wales, Australia. Records of the Australian Museum 50 (3): 315-348, DOI: 10.3853/j.0067-1975.50.1998.1289, URL: https://journals ...
Zerina Johanson, Johanson, Zerina
core   +1 more source

Figure 6. Bothriolepis yeungae n in The Upper Devonian fish Bothriolepis (Placodermi: Antiarchi) from near Canowindra, New South Wales, Australia

, 1998
Figure 6. Bothriolepis yeungae n.sp., smaller individuals. A, AM F.101608; B, AM F.I01243; C, AM F.101276, AM F.101277, all dorsal view of head and trunkshield; D, AM F.I01274, AM F.
Johanson, Zerina
core   +1 more source

FIG. 2. — Atlantidosteus pacifica n in A new species of Atlantidosteus Lelièvre, 1984 (Placodermi, Arthrodira, Brachythoraci) from the Middle Devonian of the Broken River area (Queensland, Australia)

, 2003
FIG. 2. — Atlantidosteus pacifica n. sp., holotype (ANU V1033), a right suborbital plate from the cheek in external (A) and internal (B) views (acid prepared specimen coated with ammonium chloride sublimate).
Young, Gavin C.
core   +1 more source

Some notes on a variability of Bothriolepidids (Placodermi, Antiarchi): unusual specimen of Livnolepis Heckeri (Luksevics) from the famennian of Tver region, European Russia

Известия высших учебных заведений: Геология и разведка, 2019
The fragment of the skull cap of placoderm Livnolepis heckeri (Luksevics) from the Bilovo Formation (Famennian, Upper Devonian) near the Bilovo Village of Tver Region has been described.
S. V. Moloshnikov, V. V. Linkevich
doaj   +1 more source

Ornamentation of dermal bones of Placodermi from the Lower Devonian of Morocco as a measure of biodiversity [PDF]

Geologos, 2017
Abstract Dermal bones are formed early during growth and thus constitute an important tool in studies of ontogenetic and evolutionary changes amongst early vertebrates. Ornamentation of dermal bones of terrestrial vertebrates is often used as a taxonomic tool, for instance in Aetosauria, extant lungfishes (Dipnoi) and ray-finned fishes (
Antczak, Mateusz, Berkowski, Błażej
openaire   +3 more sources

Première découverte d'un Arthrodire (Placodermi, Vertebrata) dans le Dévonien d'Amérique du Sud [PDF]

, 1996
Des plaques dermiques d'un grand Arthrodire eubrachyhtoracide (Placodermi, Vertebrata), provisoirement attribuées à un Dunkleosteidae, ont été découvertes dans les faciès détritique de la Formation de Colpacucho (Famennien), sur la Péninsule de Cumana ...
Lelièvre, H., Suarez-Riglos, M., Janvier, P., Diaz Martinez, Enrique   +3 more
core  

Revision of the genusKujdanowiaspisStensiö, 1942 (Placodermi, Arthrodira, “Actinolepida”) from the Lower Devonian of Podolia (Ukraine)

, 2010
FIG. 14. — Heightingtonaspis anglica (Traquair, 1890b): A, B, silicone casts of the external side of a skull roof; A, NHM P 38032: B, NHM P 42147; C, incomplete skull roof (internal side), NHM P 27190 (White 1969: pl. II, fig.
Dupret, Vincent, Dupret, Vincent,, Vincent Dupret   +2 more
core   +1 more source

Figure 14. Bothriolepis yeungae n in The Upper Devonian fish Bothriolepis (Placodermi: Antiarchi) from near Canowindra, New South Wales, Australia

, 1998
Figure 14. Bothriolepis yeungae n.sp. A, AM F.lOl249, internal view of AVL with partial pectoral fin; B, AM F.101249, closeup of medial pectoral fin; C, AM F.100838, internal view of PMD; D, AM F.100839, internal view of PMD; E, AM F.100900, internal ...
Johanson, Zerina
core   +1 more source

Type Crania of the Devonian Placoderm Macropetalichthys from North America: Resolving Key Nomenclatural and Stratigraphic Conundrums

Fishes
Macropetalichthys rapheidolabis Norwood and Owen, 1846 (Placodermi: Petalichthyida), type species of Macropetalichthys Norwood and Owen, 1846, was based on a single cranial roof from the Devonian of southeastern Indiana.
Loren E. Babcock
doaj   +1 more source