Salinites grossicostatum (Imlay, 1939) and S. finicostatum sp. nov. from the latest Tithonian (Late Jurassic) of northeastern Mexico
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چکیده
منابع مشابه
Paleobiology of the Latest Tithonian (Late Jurassic) Ammonite Salinites grossicostatum Inferred from Internal and External Shell Parameters
Based on material from the uppermost Tithonian La Caja Formation at Puerto Piñones, northeastern Mexico, the complete ontogenetic development (protoconch to adult) of the ammonite Salinites grossicostatum is outlined by a detailed morphometrical shell analysis. The embryonic stage, consisting of a small ellipsoid protoconch and ammonitella, ends at about 0.6 mm. Four major morphological changes...
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ژورنال
عنوان ژورنال: Boletín de la Sociedad Geológica Mexicana
سال: 2016
ISSN: 1405-3322
DOI: 10.18268/bsgm2016v68n2a8