<em>POROSPHAERA</em> (PORIFERA), A GLOBULAR SPONGE FROM THE UPPER JURASSIC OF THE CENTRAL IRAN

<em>POROSPHAERA</em> (PORIFERA), A GLOBULAR SPONGE FROM THE UPPER JURASSIC OF THE CENTRAL IRAN

Porosphaera, an abundant small spherical calcisponge, well known from Cretaceous strata of Europe, was found in Middle and Upper Jurassic deposits of east-central Iran. This is the first record of Porosphaera from the Jurassic, except for a questionable occurrence of the genus from the Upper Jurassi...

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Bibliographic Details
Main Authors: BABA SENOWBARI-DARYAN, FRANZ T. FÜRSICH, MARKUS WILMSEN
Format: Article
Language:English
Published: Università degli Studi di Milano 2011-11-01
Series:Rivista Italiana di Paleontologia e Stratigrafia
Subjects:
Calcisponges
Systematics
Jurassic
Iran
Online Access:https://riviste.unimi.it/index.php/RIPS/article/view/5985
Description
Summary:Porosphaera, an abundant small spherical calcisponge, well known from Cretaceous strata of Europe, was found in Middle and Upper Jurassic deposits of east-central Iran. This is the first record of Porosphaera from the Jurassic, except for a questionable occurrence of the genus from the Upper Jurassic of Canada, described by Jansa et al. (1982). The following species are new: P. regularis n. sp., P. biporata n. sp., P.? labyrinthica n. sp.,  and P.? asymmetrica n. sp.
ISSN:0035-6883
2039-4942

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