1.

Record Nr.

UNINA9910132493903321

Autore

Freek Rhebergen

Titolo

A new Silurian (Llandovery, Telychian) sponge assemblage from Gotland, Sweden / / Freek Rhebergen and Joseph P. Botting

Pubbl/distr/stampa

[Place of publication not identified] : , : Wiley Blackwell, , 2014

©2014

ISBN

1-118-90663-2

1-118-90664-0

1-118-90665-9

Descrizione fisica

1 online resource (273 p.)

Collana

Fossils and Strata ; ; Number 60

Disciplina

563.4094869

Soggetti

Sponges, Fossil

Paleontology - Silurian

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Note generali

Description based upon print version of record.

Nota di bibliografia

Includes bibliographical references.

Nota di contenuto

Cover; Title page; A new Silurian (Llandovery, Telychian) sponge assemblage from Gotland, Sweden; Introduction; Institutional abbreviations; Geological setting; Material, repository, methods and terminology; Systematic palaeontology; Palaeobiogeography and community evolution; Taphonomy; Palaeoecology and palaeoenvironmental interpretation; Conclusions; References; End User License Agreement

Sommario/riassunto

A newly discovered, diverse sponge fauna of early Silurian age, is described from Gotland, Sweden. This is the first Silurian sponge assemblage known from Baltica, and the only diverse Llandoverian assemblage known worldwide.  The fauna includes 20 genera and 29 species, of which three genera and six species are new. Eighteen species are new to Baltica. The fauna shows strong similarities to later Silurian assemblages in Arctic Canada, but one endemic species comprises ca. 50% of the fauna. The fauna shows that lithistid sponges recovered well from the late Ordovician extinction in some areas,