About: New Silurian murchisoniid gastropods from Alaska and a review of the genus Coelocaulus

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About: New Silurian murchisoniid gastropods from Alaska and a review of the genus Coelocaulus Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Coelocaulus karlae n. sp. and Medfracaulus cooki n. gen., n. sp. are described from the Silurian of west-central and southeastern Alaska respectively. Coelocaulus is redefined to limit the content to selenizone-bearing murchisoniids with a deep, straight-walled umbilicus and without a columellar flange. The presence of a deep umbilicus in high-spired shells cannot be used alone as a diagnostic character of Coelocaulus, as on this basis many other non-murchisoniid species (mainly based on steinkerns) have erroneously been attributed to the genus. Establishment and recognition of these unusually large, deeply umbilicate murchisoniid shells is important for the Silurian biostratigraphy of Alaskan terranes. Both genera are abundant and are characteristic of Upper Silurian strata of west-central Alaska. Similar morphotypes are unknown from rocks located undoubtedly on the North American continent (Laurentia) during the Late Silurian. Coelocaulus karlae n. sp. and Medfracaulus cooki n. gen., n. sp. are described from the Silurian of west-central and southeastern Alaska respectively. Coelocaulus is redefined to limit the content to selenizone-bearing murchisoniids with a deep, straight-walled umbilicus and without a columellar flange. The presence of a deep umbilicus in high-spired shells cannot be used alone as a diagnostic character of Coelocaulus, as on this basis many other non-murchisoniid species (mainly based on steinkerns) have erroneously been attributed to the genus. Establishment and recognition of these unusually large, deeply umbilicate murchisoniid shells is important for the Silurian biostratigraphy of Alaskan terranes. Both genera are abundant and are characteristic of Upper Silurian strata of west-central Alaska. Similar morphotypes are unknown from rocks located undoubtedly on the North American continent (Laurentia) during the Late Silurian. (en)
Title	New Silurian murchisoniid gastropods from Alaska and a review of the genus Coelocaulus New Silurian murchisoniid gastropods from Alaska and a review of the genus Coelocaulus (en)
skos:prefLabel	New Silurian murchisoniid gastropods from Alaska and a review of the genus Coelocaulus New Silurian murchisoniid gastropods from Alaska and a review of the genus Coelocaulus (en)
skos:notation	RIV/00025798:_____/03:00000027!RIV/2004/GA0/N03004/N
http://linked.open.../vavai/riv/strany	87-93
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA205/01/0143)
http://linked.open...iv/cisloPeriodika	October
http://linked.open...vai/riv/dodaniDat	2004
http://linked.open...aciTvurceVysledku	Frýda, Jiří
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Česká geologická služba
http://linked.open...dnocenehoVysledku	617924
http://linked.open...ai/riv/idVysledku	RIV/00025798:_____/03:00000027
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Gastropoda, evolution, Paleozoic (en)
http://linked.open.../riv/klicoveSlovo	Gastropoda Paleozoic evolution
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[B78AD80CDD1F]
http://linked.open...i/riv/nazevZdroje	Short Notes on Alaska Geology
http://linked.open...in/vavai/riv/obor	DB
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...vavai/riv/projekt	Evolution, systematics and paleobiogeographic relationship of devonian gastropods from the Prague basin (Bohemia) and the Farewell terrane (Alaska)
http://linked.open...UplatneniVysledku	2003
http://linked.open...v/svazekPeriodika	120
http://linked.open...iv/tvurceVysledku	Frýda, Jiří
number of pages	8 (xsd:int)

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