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- Title
Calpionélidos de la transición Berriasiano-Valanginiano en la Sección Padhi, centro-este de Hidalgo, México: sistemática y bioestratigrafía.
- Authors
Carlos Jiménez-López, José; Antonio López-Martínez, Rafael; Barragán, Ricardo; Estela Buitrón-Sánchez, Blanca
- Abstract
This work corresponds to the systematic and biostratigraphic study of 9 calpionellid taxa: Calpionella alpina Lorenz, 1902, Calpionellopsis simplex (Colom, 1939), C. oblonga (Colom, 1939), Tintinnopsella carpathica (Murgeanu y Filipescu, 1933), T. longa (Colom, 1939), T. subacuta (Colom, 1948), R. cadischiana (Colom, 1948), R. catalanoi Pop, 1996, and Calpionellites darderi (Colom, 1934) of the Padhi section, sited between the Tenango de Doria and Huehuetla municipalities, at the east-center region of Hidalgo, Mexico. The biostratigraphic analysis of the calpionellids allowed us to define an age ranging from the late Berriasian (Calpionellopsis zone, Oblonga subzone) to the early Valanginian (Calpionellites zone, Darderi subzone). These records were compared with those in other regions of North and South America, Europe, northwestern Africa, and western Asia. The calpionellids proceed from the lower part of the Tamaulipas Inferior Formation, and were studied from shale and limestone with mudstone and wackestone textures, with facies presenting radiolarians, sponge spicules, ostracods fragments, and mollusks.
- Subjects
MUDSTONE; SHALE; CITIES &; towns; PALEOGEOGRAPHY; FACIES
- Publication
Revista Mexicana de Biodiversidad, 2021, Vol 92, p1
- ISSN
1870-3453
- Publication type
Article
- DOI
10.22201/ib.20078706e.2021.92.3376