| 词条 | Gangshanoceras |
| 释义 |
| fossil_range = Ordovician | image = | taxon = Gangshanoceras | authority = Zou, 1988 | type_species = Gangshanoceras jurongense | type_species_authority = Zou, 1988 | subdivision_ranks = Species | subdivision = |Gangshanoceras densum|Zou, 1988 |Gangshanoceras guichinense|Ying, 1989 |Gangshanoceras jurongense|Zou, 1988 |Gangshanoceras villicumense|Kröger et al. 2007 |Gangshanoceras wennanense|Ying, 1989}} Gangshanoceras is a fossil nautiloid cephalopod genus included in the orthocerid family Proteoceratidae. It has been found in Ordovician rocks dated from about 478.5 to 468 Ma in China, and from rocks dated slightly younger, about 468 to 461 Ma in Argentina. It has five described species. The type is Gangshanoceras jurongense. [1][2]References1. ^{{cite web|url=http://strata.geology.wisc.edu/jack/showgenera.php?taxon=231&rank=class|title=Sepkoski Online Results|first=shanan|last=peters|website=strata.geology.wisc.edu|accessdate=26 September 2018}} 2. ^{{cite web|url=http://www.paleodb.org/cgi-bin/bridge.pl?action=basicTaxonInfo&taxon_no=12506 |title=Paleobiology Database: Gangshanoceras |publisher=Paleodb.org |date= |accessdate=18 August 2013}} }}{{Taxonbar|from=Q5521205}}{{paleo-cephalopod-stub}} 4 : Orthoceratoids|Ordovician cephalopods|Fossils of China|Fossil taxa described in 1988 |
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