Ammonites from the Maastrichtian (Upper Cretaceous) Quiriquina Formation in central Chile
Page 1 Ammonites from the Maastrichtian (Upper Cretaceous) Quiriquina Formation in central …

LOWER CRETACEOUS AMMONITES FROM SIERRA DEL ROSARIO (WESTERN CUBA) Lower
Cretaceous ammonites from Cuba were not hitherto paleont Page 1 ACTA PALAEONTOLOGICA …

Ammonites of the genus Hybonoticeras Breistroffer, 1947, described here as: Hybonoticeras
(Hybonoticeras) sp. ex. gr. beckeri (Neumayr) and Hybonoticeras (Hybonotella) cf …

Ammonite fauna of the Tithonian of western Cuba, described in this paper, includes 42
species belonging to nine families. One species. Simocosmocenis pszczolkowskii n. sp., is …

The first ammonites recorded from the San Cayetano Formation of the Sierra del Rosario
(western Cuba) are assigned to the genus Perisphinctes, indicating that the upper part of the …

Thick near-shore deposits of Upper Jurassic age in the Placer de Guadalupe district of
eastern Chihuahua have furnished 15 species of ammonites belonging to three distinct …

The paper deals with ammonite fauna recorded for the first time from the Oxfordian of the
Pinar del Rio province in western Cuba. The ammonites found in the Jagua Fm.(Pimienta …

Although the Agrio Formation (Valanginian–Early Barremian) yields rich ammonite faunas at
many levels, the highest beds are very sparsely fossiliferous. However, intensive collecting …

Ammonites of Bajocian age are found in Northern Chile at many localities, but sections with
ammonite beds of different age of this stage are rare. The Bajocian is subdivided in …

The Baños del Flaco Formation in central Chile contains abundant and well-preserved
Tithonian (Late Jurassic) and scarce Berriasian (Early Cretaceous) ammonites. At Rio …