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Aalenian and Lowermost Bajocian ammonites (Hammatoceratinae and early Otoitidae) from the Western and Central Balkan Mountains (Bulgaria)

Aalenian and Lowermost Bajocian ammonites (Hammatoceratinae and early Otoitidae) from the Western and Central Balkan Mountains (Bulgaria)

Geologica Balcanica 31(3-4): 59-70

ISSN/ISBN: 0324-0894

Five taxa of the species group, belonging to the subfamily Hammatoceratinae and one species of the family Otoitidae are described and figured in the present paper, for the first time in this country. From the subfamily Hammatoceratinae they are Pseudammatoceras subinsigne (Oppel, 1856), Pseudammatoceras cf. ornatum Elmi, 1963, Pseudammatoceras broilii (Renz, 1925), Planammatoceras planiforme Buckman, 1922 (Aalenian, Ludwigia murchisonae Zone) and Parammatoceras boyeri Elmi, 1963 (Aalenian, Graphoceras concavum Zone), and from the family Otoitidae - Docidoceras cf. cylindroides Buckman, 1919 (Lower Bajocian, Hyperlioceras discites Zone).

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Accession: 010109661

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