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Olcostephanus Neumayr 1875 (ammonite)

Cephalopoda - Ammonoidea - Olcostephanidae

PaleoDB taxon number: 15281

Alternative spelling: Ammonites (Olcostephanus)

Synonyms: Astieria Pavlow 1892 [objective synonym] (no. 132976), Holcostephanus (Astieria) Pavlow 1892 [objective synonym] (no. 143535), Lemurostephanus Thieuloy 1977 (no. 132978), Maderia Imlay 1938 (no. 299905), Olcostephanus (Astieria) Pavlow 1892 [objective synonym] (no. 144381), Olcostephanus (Lemurostephanus) Thieuloy 1977 (no. 386127), Olcostephanus (Subastieria) Spath 1923 (no. 386124), Rogersites Spath 1924 (no. 131206), Satoites Cantú-Chapa 1966 (no. 132977), Subastieria Spath 1923 (no. 15678), Taraisites Cantú-Chapa 1966 (no. 132989)

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

Sister taxa: Baronnites, Ceratotuberculus, Santafecites, Saynoceras, Valanginites

Subtaxa: Astieria astieriformis, Astieria bangei, Astieria neohispanica, Astieria raricostata, Astieria symonensis, Astieria zacatecana, Maderia casitensis, Maderia coahuilensis, Maderia marcosensis, Olcostephanus (Jeannoticeras), Olcostephanus (Olcostephanus), Olcostephanus (Viluceras), Olcostephanus astierianus, Olcostephanus bakeri, Olcostephanus delicatecostatus, Olcostephanus detonii, Olcostephanus filifer, Olcostephanus lindgreni, Olcostephanus paucicostatus, Olcostephanus pecki, Olcostephanus popenoei, Olcostephanus prorsiradiatus, Olcostephanus quadriradiatus, Olcostephanus sanlazarensis, Subastieria balkanica, Subastieria inordinata, Subastieria sulcosae, Subastieria sulcosus, Taraisites bosei, Taraisites tenuicostatus

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Ecology: fast-moving nektonic carnivore