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The Journal of Geolo...arrow_drop_down

The Journal of Geology

Article . 1934 . Peer-reviewed

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The Journal of Geology

Article

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American Carboniferous Dipnoans

Name: American Carboniferous Dipnoans
Keywords: 14. Life underwater

descriptionPublicationkeyboard_double_arrow_right Article 01 Oct 1934 English Publisher:University of Chicago PressJournal:The Journal of Geology, volume 42, pages 700-719 (issn: 0022-1376, eissn: 1537-5269,

Authors: Homer J. Smith; Alfred Sherwood Romer;

doi: 10.1086/624236

American Carboniferous Dipnoans

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Abstract

New Carboniferous lungfish material is described and Figured, including Prosageno-dus? castrensis sp. nov., founded on a tooth plate from the Chester; a skull roof from the Pennsylvanian of Illinois assigned to S. serratus; a tooth from the same period and region described as Proceratodus carlinvillensis, gen. et sp. nov.; and S. ciscoenis sp. nov., from the summit of the Cisco of Texas. Prosagenodus gen. nov. is proposed, with Ctenodus interruptus Barkas as genotype. The North American Pennsylvanian and Permian dipnoans are reviewed.

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	citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	34
	popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.	Average
	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Top 10%
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Average