- Tytuł:
- A new species of Pseudhimalayites (Ammonitina, Aspidoceratoidea) from the Lower Tithonian of the Betic Range, Southern Spain
- Autorzy:
-
Parent, Horacio
Ramos-Agustino, Enrique
Scherzinger, Armin
Schweigert, Günter - Powiązania:
- https://bibliotekanauki.pl/articles/28826138.pdf
- Data publikacji:
- 2023
- Wydawca:
- Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
- Tematy:
-
Pseudhimalayites carchelejensis n.sp.
Aspidoceratoidea
Aspidoceratidae
Tithonian
Ponti Zone
Betic Range
Tytonian
strefa Ponti
strefa Betic - Opis:
- The Late Jurassic aspidoceratoid genus Pseudhimalayites Spath is scarcely recorded but widely distributed in the Andean basins, the Caribbean region, and in the European Tethys. From Ponti Zone (Lower Tithonian) rocks of the Betic Range in Carchelejo we describe here the new species Pseudhimalayites carchelejensis, based on a macroconch (female) holotype. The corresponding microconch (male), described from the same ammonite assemblage, would belong to the morphogenus Simocosmoceras Spath which groups the microconchs of Pseudhimalayites. P. carchelejensis n. sp. differs from the coeval Pseudhimalayites steinmanni (Haupt) by lacking ventral tubercles in the phragmocone and by bearing umbilical tubercles only from the adult whorl of the phragmocone. These differences illustrate a significant morphologic divergence between the Andean and the Tethyan lineages.
- Źródło:
-
Volumina Jurassica; 2023, 21; 19--26
1896-7876
1731-3708 - Pojawia się w:
- Volumina Jurassica
- Dostawca treści:
- Biblioteka Nauki
Artykuł