词条 | Ancyrognathus |
释义 |
| fossil_range = {{fossil range|Late Devonian}} | regnum = Animalia | phylum = Chordata | classis = †Conodonta | ordo = | familia = | genus = †Ancyrognathus | genus_authority = Branson and Mehl, 1934[1] | subdivision_ranks = Species | subdivision =
| synonyms = }} Ancyrognathus is an extinct genus of conodonts. During the Famennian stage of the Late Devonian, a biologic event occurred (Upper Kellwasser Extinction of all Ancyrodella and Ozarkodina and most Palmatolepis, Polygnathus and Ancyrognathus). References1. ^Conodonts from Glassy Creek Shale of Missouri. EB Branson and MG Mehl, Univ. Missouri Studies, 1934 External links
3 : Conodont genera|Devonian conodonts|Paleozoic life of Ontario |
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