A New Silurian Llandovery Telychian Sponge Assemblage from Gotland Sweden is popular PDF and ePub book, written by Freek Rhebergen in 2014-02-27, it is a fantastic choice for those who relish reading online the Science genre. Let's immerse ourselves in this engaging Science book by exploring the summary and details provided below. Remember, A New Silurian Llandovery Telychian Sponge Assemblage from Gotland Sweden can be Read Online from any device for your convenience.
A New Silurian Llandovery Telychian Sponge Assemblage from Gotland Sweden Book PDF Summary
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, and became widely spread in the early Silurian. In contrast, non-lithistid sponges like, such as hexactinellids, appear to have evolved rapidly during the Late Ordovician – early Silurian interval, and some modern groups probably originated in inshore habitats.
Detail Book of A New Silurian Llandovery Telychian Sponge Assemblage from Gotland Sweden PDF
- Author : Freek Rhebergen
- Release : 27 February 2014
- Publisher : John Wiley & Sons
- ISBN : 9781118906644
- Genre : Science
- Total Page : 161 pages
- Language : English
- PDF File Size : 21,6 Mb
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