Watinoceras shine jinsin acanthoceratid ammonite wanda ya rayu a farkon matakin Turonian na Late Cretaceous.

Watinoceras
Scientific classification
KingdomAnimalia
PhylumMollusca (en) Mollusca
ClassCephalopod (en) Cephalopoda
OrderAmmonitida (en) Ammonitida
DangiAcanthoceratidae (en) Acanthoceratidae
SubfamilyMammitinae (en) Mammitinae
genus (en) Fassara Watinoceras
,

Ana matsawa farkon masu ƙwanƙwasa,an yi su da kyau tare da ciki da na waje da kuma tubercles na siphonal kamar a cikin Neocardioceras,amma layin siphonal ya ɓace nan da nan.Daga baya injin na iya zama mazugi tsakanin layuka na ventrolateral clavi ko zagaye da hakarkarin da ke wucewa a cikin chevrons.Ado yawanci yakan zama m tare da shekaru.An samo asali daga Neocardioceras .Watinoceras da Mammites sun haifar da sauran jinsin a cikin dangi.Tsofaffin rarrabuwa sun haɗa da Watinoceras a cikin dangin Mammitinae maimakon.

Nau'in sun haɗa da Watinoceras coloradoense, W.reesidei,da W.thompsonense.

Muhimmancin halittu

gyara sashe

Farkon abin da ya faru na nau'in Watinoceras devonense shine farkon Turonian.[1]

Rarrabawa

gyara sashe

An gano burbushin halittu a cikin:[2]

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  2. Watinoceras Archived 2023-08-28 at the Wayback Machine at Fossilworks.org