Ordovician sponge spicules from Spitsbergen, Nevada and Newfoundland: new evidence for the Hexactinellida early differentiation
Division of Hexactinellida into the subclasses Amphidiscophora and Hexasterophora is now generally accepted due to their very distinct types of microscleres, namely amphidiscs and hexasters, respectively. Microscleres of this type have been recognized in the Lower Paleozoic. We examined exceptionall...
Guardado en:
| Autores principales: | Carrera, Marcelo G., Maletz, J. |
|---|---|
| Formato: | Objeto de conferencia Resumen |
| Lenguaje: | Inglés |
| Publicado: |
2010
|
| Materias: | |
| Acceso en línea: | http://sedici.unlp.edu.ar/handle/10915/16830 |
| Aporte de: |
Ejemplares similares
-
Contribution to the Hepatic of Newfoundland
por: Buch, Hans and Risto Tuomikoski
Publicado: (1955) -
Pathways of creativity in contemporary Newfoundland and Labrador /
Publicado: (2015) -
Los paisajes de Sierra Nevada : cartografía de los sistemas naturales de una montaña mediterránea ; mapas /
por: Jiménez Olivencia, Yolanda
Publicado: (1991) -
Contributions toward a flora of Nevada N° 38.Leguminosae of Nevada. Astragalus and Oxytropis
por: Barneby,K.C
Publicado: (1956) -
A collection of documents on Spitzbergen & Greenland comprising a translation from F. Martens' Voyage to Spitzbergen, a translation from Isaac de La Peyr�ere's Histoire du Groenland, and God's power and providence in the preservation of eight men in Greenland nine moneths and twelve dayes /
Publicado: (2010)