Results 21 to 30 of about 387 (155)

The stratigraphie distribution of antiarch remains (Pisces, Placodermi) in Devonian of southern regions of Russia

open access: yesИзвестия высших учебных заведений: Геология и разведка, 2015
The stratigraphic distribution of antiarch remains in the Middle-Upper Devonian of central, southern and east-south regions of East European Platform (EEP), western slope of South Urals and Siberia are analyzed.
S. V. Moloshnikov
doaj   +2 more sources

Paleoecology of Dunkleosteus Terrelli (Placodermi: Arthrodira)

open access: yes, 2010
Volume: 57Start Page: 36End Page ...
Carr, Robert K.
core   +2 more sources

Placodermi pražské pánve (spodní paleozoikum barrandienské oblasti)

open access: yes, 2010
Placodermi sa v pražskej panve nachádzajú výhradne na devónskych lokali- tách, datovaných od lochkova do givetu. Najbohatšou je lokalita Černá rokle pri Kosoři s faciami radotínskych vápencov.
Kašpar Vaškaninová, Valéria
core   +3 more sources

Skeletal Histology of Bothriolepis canadensis (Placodermi, Antiarchi) and Evolution of the Skeleton at the Origin of Jawed Vertebrates

open access: yesJournal of Morphology, 2009
We used light microscopy and scanning electron microscopy to compile a complete histological description of the dermal skeleton of the antiarch placoderm, Bothriolepis canadensis.
Donoghue, PCJ, Downs, JP
core   +4 more sources

Middle Devonian coccosteid (Arthrodira, Placodermi) biostratigraphy of Scotland and Estonia

open access: yesScottish 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.
Tormi Tuuling   +2 more
core   +2 more sources

A new Early Devonian antiarch placoderm from Belarus, and the phylogeny of Asterolepidoidei [PDF]

open access: yesActa Palaeontologica Polonica, 2023
A new asterolepidoid antiarch, Sherbonaspis talimaae sp. nov., is described based on the disarticulated skeletal elements from several boreholes in Belarus, from the Lepel Beds of the Vitebsk Formation, which has been assigned to an Early Devonian, late ...
Dmitry P. Plax, Ervins Lukševičs
doaj   +1 more source

Placodermi Diet

open access: yes, 2018
Kate Trinajstic, Brett Roelofs
core   +2 more sources

The Hunsrück Slate Konservat‐Lagerstätte

open access: yesGeology Today, Volume 39, Issue 2, Page 72-76, March/April 2023., 2023
The Lower Devonian Hunsrück Slate in western Germany is world‐famous for its exceptionally preserved and beautiful fossils. What makes this Konservat‐Lagerstätte so fascinating is its unique style of pyritization that has perfectly captured an entire ecosystem, from delicate echinoderms with preserved soft tissues to the Lovecraftian Mimetaster.
Jack T. R. Wilkin
wiley   +1 more source

Evolution of glial wrapping: A new hypothesis

open access: yesDevelopmental Neurobiology, Volume 81, Issue 5, Page 453-463, July/August 2021., 2021
Abstract Animals are able to move and react in numerous ways to external stimuli. Thus, environmental stimuli need to be detected, information must be processed and finally an output decision must be transmitted to the musculature to get the animal moving.
Simone Rey   +2 more
wiley   +1 more source

A new assessment of the Late Devonian antiarchan fish Bothriolepis leptocheira from South Timan (Russia) and the biotic crisis near the Frasnian–Famennian boundary [PDF]

open access: yesActa Palaeontologica Polonica, 2017
The species of the Late Devonian, earliest Famennian placoderm fish Bothriolepis jeremejevi has been downranked to subspecies Bothriolepis leptocheira jeremejevi comb. nov.
Ervīns Lukševičs   +2 more
doaj   +1 more source

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