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- Acaroceratidae abstract "Acaroceratidae is family of Upper Cambrian (Trempealeauan) nautiloid cephalopods included in the Ellesmerocerida that contains two known genera, Acaroceras and Weishanuceras, both found in northern China. Acaroceratidae represent some of the earliest Ellesmeroderida, which have their origin in the Plectronoceratidae, either in Plectronoceras or some related genus. Acaroceras is known from the lower and middle Trempealeauan, upper Yenchou and overlying Wanwankou members of the Fengshan Formation. Weishanuceras is so far limited to the Wanwankou. The Acaroceratidae are characterized by small, slightly expanded, laterally compressed shells with a slight downward,(endogastric), curvature. Siphuncles are tubular, located along the ventral margin; composed of straight segments. In general conformation Acaroceras and Weishanuceras are rather similar, but differ in the details of the siphuncle. Acaroceras, the earlier of the two, has a siphuncle composed of short straight septal necks and thin straight connecting rings, and is empty of internal calcarous deposits. Rather thin, slightly concave diaphragms are present in the early, adapical, portion. Weishanuceras, which came later, also has short straight septal necks, but connecting rings are moderately thick as well as straight, and the siphuncle contains internal, ring-like deposits.Neither of the Acaroceratidae appears to have left any descendants. Early Acaroceras, from the upper Yenchou, are contemporary with later Plectronoceras, early Paraplectronoceras, Hunyuanoceras, and a few others. Later Acaroceras and Weishanuceras are part of the entire suite of early cephalopods that lived during the Late Cambrian. Acaroceras lends its name to the Acaroceras-Sinoceremoceras Zone which is contained by the Wanwankou member of the Fengshan Formation.".
- Acaroceratidae class Cephalopod.
- Acaroceratidae class Nautiloid.
- Acaroceratidae kingdom Animal.
- Acaroceratidae order Ellesmerocerida.
- Acaroceratidae wikiPageID "37839979".
- Acaroceratidae wikiPageLength "2545".
- Acaroceratidae wikiPageOutDegree "14".
- Acaroceratidae wikiPageRevisionID "590473484".
- Acaroceratidae wikiPageWikiLink Animal.
- Acaroceratidae wikiPageWikiLink Animalia.
- Acaroceratidae wikiPageWikiLink Cambrian.
- Acaroceratidae wikiPageWikiLink Category:Nautiloids.
- Acaroceratidae wikiPageWikiLink Cephalopod.
- Acaroceratidae wikiPageWikiLink Cephalopoda.
- Acaroceratidae wikiPageWikiLink Ellesmerocerida.
- Acaroceratidae wikiPageWikiLink Fengshan_Formation.
- Acaroceratidae wikiPageWikiLink Furongian.
- Acaroceratidae wikiPageWikiLink Late_Cambrian.
- Acaroceratidae wikiPageWikiLink Nautiloid.
- Acaroceratidae wikiPageWikiLink Nautiloidea.
- Acaroceratidae wikiPageWikiLink Plectronoceratidae.
- Acaroceratidae wikiPageWikiLink Plectronocerida.
- Acaroceratidae wikiPageWikiLink Siphuncle.
- Acaroceratidae wikiPageWikiLink Siphuncles.
- Acaroceratidae wikiPageWikiLink Trempealeauan.
- Acaroceratidae wikiPageWikiLink Wanwankou.
- Acaroceratidae wikiPageWikiLink Yenchou.
- Acaroceratidae wikiPageWikiLinkText "Acaroceras".
- Acaroceratidae wikiPageWikiLinkText "Acaroceratidae".
- Acaroceratidae wikiPageWikiLinkText "Weishanhuceras".
- Acaroceratidae classis Cephalopod.
- Acaroceratidae classis Cephalopoda.
- Acaroceratidae familia "Acaroceratidae".
- Acaroceratidae familiaAuthority "Chen et al, 1979".
- Acaroceratidae fossilRange "Late Cambrian".
- Acaroceratidae hasPhotoCollection Acaroceratidae.
- Acaroceratidae ordo Ellesmerocerida.
- Acaroceratidae regnum Animal.
- Acaroceratidae regnum Animalia.
- Acaroceratidae subclassis Nautiloid.
- Acaroceratidae subclassis Nautiloidea.
- Acaroceratidae subdivision "see text".
- Acaroceratidae subdivisionRanks "Genera".
- Acaroceratidae wikiPageUsesTemplate Template:Taxobox.
- Acaroceratidae subject Category:Nautiloids.
- Acaroceratidae hypernym Family.
- Acaroceratidae type Animal.
- Acaroceratidae type Article.
- Acaroceratidae type Eukaryote.
- Acaroceratidae type Species.
- Acaroceratidae type Article.
- Acaroceratidae type Nautiloid.
- Acaroceratidae type Thing.
- Acaroceratidae type Q19088.
- Acaroceratidae type Q729.
- Acaroceratidae comment "Acaroceratidae is family of Upper Cambrian (Trempealeauan) nautiloid cephalopods included in the Ellesmerocerida that contains two known genera, Acaroceras and Weishanuceras, both found in northern China. Acaroceratidae represent some of the earliest Ellesmeroderida, which have their origin in the Plectronoceratidae, either in Plectronoceras or some related genus.".
- Acaroceratidae label "Acaroceratidae".
- Acaroceratidae sameAs m.0n_dt4m.
- Acaroceratidae sameAs Q4672127.
- Acaroceratidae sameAs Q4672127.
- Acaroceratidae wasDerivedFrom Acaroceratidae?oldid=590473484.
- Acaroceratidae isPrimaryTopicOf Acaroceratidae.