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Olcostephanus Neumayr 1875 (ammonite)

Cephalopoda - Ammonoidea - Olcostephanidae

PaleoDB taxon number: 15281

Alternative spelling: Ammonites (Olcostephanus)

Synonyms: Astieria Pavlow 1892 (no. 132976), Holcostephanus (Astieria) Pavlow 1892 (no. 143535), Lemurostephanus Thieuloy 1977 (no. 132978), Olcostephanus (Astieria) Pavlow 1892 (no. 144381), Rogersites Spath 1924 (no. 131206), Satoites Cantú-Chapa 1966 (no. 132977)

Parent taxon: Olcostephaninae according to B. Pandey and D. B. Pathak 2017

Sister taxa: Ceratotuberculus, Saynoceras, Subastieria, Taraisites, Valanginites

Subtaxa: Astieria astieriformis, Astieria baini, Astieria bangei, Astieria guebhardi, Astieria neohispanica, Astieria raricostata, Astieria symonensis, Astieria zacatecana, Olcostephanus (Jeannoticeras), Olcostephanus (Olcostephanus), Olcostephanus (Viluceras), Olcostephanus astierianus, Olcostephanus atherstoni, Olcostephanus bakeri, Olcostephanus catulloi, Olcostephanus delicatecostatus, Olcostephanus detonii, Olcostephanus filifer, Olcostephanus lindgreni, Olcostephanus paucicostatus, Olcostephanus pecki, Olcostephanus popenoei, Olcostephanus prorsiradiatus, Olcostephanus quadriradiatus, Olcostephanus sanlazarensis

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Ecology: fast-moving nektonic carnivore