Results 51 to 60 of about 3,769 (223)

The gaudryceratid ammonoids from the Upper Cretaceous of the James Ross Basin, Antarctica [PDF]

Acta Palaeontologica Polonica, 2019
We describe new material of the subfamily Gaudryceratinae in Antarctica, including five new species: Gaudryceras submurdochi Raffi and Olivero sp. nov., Anagaudryceras calabozoi Raffi and Olivero sp.
María E. Raffi, Eduardo B. Olivero, Florencia N. Milanese   +2 more
doaj   +1 more source

Mezozoós (triász, jura) faunadúsulások őskörnyezeti értelmezése hazai példákon = Environmental interpretation of Mesozoic (Triassic, Jurassic) faunal diversifications: Hungarian case studies [PDF]

, 2008
A Balaton-felvidék triász rétegsorában az ammonoidea, bivalvia és brachiopoda faunák diverzitása jelentős változásokat mutat. A rövid kora-triász felvirágzás összhangban van a globális bioszféra eseménnyel.
Dulai, Alfréd, Pálfy, József, Szente, István, Vörös, Attila   +3 more
core  

On the Earliest Parkinsonia (Ammonoidea: Parkinsoniidae) from the Upper Bajocian (Middle Jurassic) of the Northern Caucasus, Russia

Paleontological journal, 2022
The first representatives of the genus Parkinsonia previously described from Georgia as P. djanelidzei Kakhadze, 1937 and P. djanelidzei var. dertshiensis Kakhadze, 1937 are revised. P. djanelidzei [M] and P.
V. Mitta
semanticscholar   +1 more source

TAXONOMY,STRATIGRAPHY AND PHYLOGENY OF THE NEW GENUS LANCEOPTYCHITES (AMMONOIDEA, ANISIAN)

Rivista Italiana di Paleontologia e Stratigrafia, 1998
For the first time a population analysis of compressed Ptychitidae (Ammonoidea) bed-by-bed collected from Prezzo Limestone (Upper Anisian, Southern Alps) is performed.
MARCO BALINI
doaj   +1 more source

Phylloceratina ammonoids in the Iberian Basin during the Middle Jurassic: a model of biogeographical and taphonomic dispersal related to relative sea-level changes [PDF]

, 1996
Phylloceratina and Lytoceratina ammonoids in the Middle Jurassic of the Iberian Chain (E. Spain) represent less than 1% of the whole of Ammonoidea. There are two intervals, however, in which their occurrence is remarkably constant: within the Upper ...
Fernández López, Sixto Rafael, Meléndez Hevia, Guillermo   +1 more
core   +1 more source

Ammonite stratigraphy of a Toarcian (Lower Jurassic) section on Nagy-Pisznice Hill (Gerecse Mts, Hungary) [PDF]

, 2010
In the Jurassic rocks exposed in a small abandoned quarry on the northwestern edge of Nagy-Pisznice Hill in the Gerecse Mts, fairly well preserved parts of a crocodile skeleton was found in 1996.
András Galácz, Barnabás Géczy, Benshili K., Bilotta M., Bécaud M., Bécaud M., Caracuel J.E., Comas-Rengifo M.J., Contini D., Császár G., d’Orbigny A., Elmi S., Elmi S., Elmi S., Fauré Ph., Gabilly J., Galácz A., Guex J., Guex J., Géczy B., Géczy B., Géczy B., Géczy B., Géczy B., Géczy B., Géza Császár, Hammichi F., Hantken M., Hauer R., Haug, Kovács Z., Kovács Z., Kovács Z., Kulcsár K., Kulcsár K., Lippi-Boncambi C., Meneghini J., Metodiev L., Metodiev L., Page K. N., Parisi G., Pettinelli R., Pinna G., Prinz Gy., Prinz Gy., Quenstedt F.A., Rulleau L., Rulleau L., Sassaroli S., Seyed-Emami K., Sowerby J., Staff H., Venturi F., Venturi F., Vigh J., Zoltán Kovács   +55 more
core   +1 more source

Aulatornoceras (Truyolsoceras) n. subgén. (Ammoinoidea, Tornoceratina) from the Devonian of the Cantabrian and Iberian mountains (NW & NE Spain) [PDF]

, 1988
[Resumen] El género Aulatornoceras comprendía hasta la actualidad un amplio espectro de morfologías y, entre ellas, conchas de especies con perfiles más comprimidos que el resto de formas congenéricas, poseyendo al mismo tiempo ombligos puntiformes. Esta
Montesinos López, José Román
core   +1 more source

MIDDLE TRIASSIC CERATITIDS (AMMONOIDEA) COLLECTED BY C. RENZ FROM HYDRA (GREECE)

Rivista Italiana di Paleontologia e Stratigrafia, 2017
This paper  is focused on the description of an assemblage of ceratitids collected more than 50 years ago by C. Renz from the Han-Bulog Limestone of Hydra (Greece), up to the present never described.
MARCO BALINI
doaj   +1 more source

New records of Diplomoceras (Ammonoidea, Diplomoceratidae) from Koryak Upland, North-West Pacific Province: taxonomic, biostratigraphical and palaeogeographical implications

Netherlands Journal of Geosciences
The geographical and stratigraphical distribution of the heteromorph ammonite genus Diplomoceras within the North-West Pacific Province is briefly reviewed.
E. Jagt-Yazykova, A. Zolina, Lina B. Golovneva   +2 more
semanticscholar   +1 more source

Sexual dimorphism in the Bathonian morphoceratid ammonite Polysphinctites tenuiplicatus [PDF]

Acta Palaeontologica Polonica, 2016
Asphinctites tenuiplicatus [M] and Polysphinctites secundus [m] from the Asphinctites tenuiplicatus Zone (Early Bathonian), are usually considered as a sexual dimorphic pair, although authors describe them as separate species.
Horacio Parent, Michał Zatoń
doaj   +1 more source