Results 21 to 30 of about 4,855 (225)

The systematics and paleobiogeographic significance of Sub-Boreal and Boreal ammonites (Aulacostephanidae and Cardioceratidae) from the Upper Jurassic of the Bohemian Massif

open access: yesGeologica Carpathica, 2014
Upper Jurassic marine deposits are either rarely preserved due to erosion or buried under younger sediments in the Bohemian Massif. However, fossil assemblages from a few successions exposed in northern Bohemia and Saxony and preserved in museum ...
Hrbek Jan
doaj   +1 more source

Trachemys nebulosa [PDF]

open access: yes, 2010
Number of Pages: 8Integrative BiologyGeological ...
Seidel, Michael E.
core   +1 more source

Jurassic paleobiogeography of Alaska [PDF]

open access: yesProfessional Paper, 1973
Jurassic marginal seas occupied considerable areas in southern and northern Alaska and in the western part of the Kuskokwim region of southwestern Alaska. They appear to have been absent during late Callovian time, much restricted during Hettangian, Bathonian, early Oxfordian and late Tithonian time, and most extensive during Sinemurian, Bajocian, and ...
Ralph Willard Imlay, Robert L. Detterman
openaire   +1 more source

Diversity of Crinozoa (Echinodermata: Eocrinoidea, Blastoidea, Crinoidea) from the Paleozoic of Mexico

open access: yesRevista Mexicana de Ciencias Geológicas, 2022
Paleozoic outcrops in Mexico containing echinoderms are located to the north, center and south of the country, mainly in the states of Baja California, Sonora, Chihuahua, Tamaulipas, Coahuila, Hidalgo, Puebla, Guerrero, Oaxaca, and Chiapas.
Blanca Estela Buitrón-Sánchez   +3 more
doaj   +1 more source

Deep-water macroalgae from the Canary Islands: new records and biogeographical relationships [PDF]

open access: yes, 1993
Due to the geographical location and paleobiogeography of the Canary Islands, the seaweed flora contains macroalgae with different distributional patterns.
A. B. Joly   +48 more
core   +1 more source

Sauromalus hispidus [PDF]

open access: yes, 1995
Number of Pages: 4Integrative BiologyGeological ...
Beaman, Kent R.   +2 more
core   +1 more source

Crotalus enyo [PDF]

open access: yes, 1994
Number of Pages: 6Integrative BiologyGeological ...
Beaman, Kent R., Grismer, L. Lee
core   +1 more source

Permian ammonoids: Results and prospects of research in Russia and other post-Soviet states

open access: yesУчёные записки Казанского университета: Серия Естественные науки, 2021
The paper aims to introduce the history of Russian and Soviet study of Permian ammonoids, from the middle of the 19th century to the present, to a wider audience of geologists, and particularly to a younger generation of students and researchers ...
T.B. Leonova
doaj   +1 more source

Crotalus tortugensis [PDF]

open access: yes, 2004
Number of Pages: 5Integrative BiologyGeological ...
Beaman, Kent R., Spencer, Carol L.
core   +1 more source

Registros paleógenos de glyptodontidae propalaehoplophorinae (xenarthra, cingulata) en áreas extrapatagónicas [PDF]

open access: yes, 2016
Los registros paleógenos de Cingulata Glyptodontidae son muy escasos y los mejores conocidos provienen de la actual región patagónica de Argentina. Dos subfamilias han sido descritas: Glyptatelinae y Propalaehoplophorinae.
Cuaranta, Pedro   +5 more
core   +3 more sources

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