Results 121 to 130 of about 16,469 (254)

Middle Oxfordian ammonite biostratigraphy of the Lower Santiago Formation at Tamán, San Luis Potosí, Mexico — with notes on Mexico-Caribbean ochetoceratins

open access: yesRevista Mexicana de Ciencias Geológicas, 2018
Bed-by-bed sampling of ammonites from clayey to calcareous siltstones of the basal part of the Santiago Formation at the type section in Tamán, San Luis Potosí (Mexico) is first reported. Ammonites belonging to assemblages described by Burckhardt (1912),
Federico Olóriz   +2 more
doaj  

Stratigraphy and Palaeoenvironments of the Upper Jurassic of Southern Germany – A Review [PDF]

open access: yes, 2005
Leinfelder, Reinhold R.   +2 more
core   +1 more source

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