The recent revision of the Cryogenian lower boundary from 850 Ma to 720 Ma has nearly
doubled the duration of the Tonian Period to 280 Myrs, an interval longer than the Mesozoic …

Vase‐shaped microfossils (VSM s), interpreted as the remains of testate amoebae, are
found in late Tonian sedimentary rocks around the world. Here we explore the taxonomy …

New, extensive fossil material collected in situ from the lower Cambrian Evjevik Member in
the Mjøsa type area, southern Norway, allows a re evaluation of the faunal distribution and …

The Precambrian Murchisonfjorden Supergroup of Nordaustlandet, Svalbard, contains
approximately 6000 m of folded, but essentially unmetamorphosed, shallow marine …

The Mickwitzia sandstone, south-central Sweden, consists of about 10 m of Lower Cambrian
clastic sediments deposited in an epicontinental setting. An in formal, lithologically based …

Vase-shaped microfossils occur abundantly in phosphate nodules from near-shore, marine
shales and siltstones of the Late Proterozoic (Late Riphean to Early Vendian) Visingsö Beds …

The results exposed in this paper are part of micropaleonto logical and biostratigraphical
investigations of the Late Precambrian rocks of South Sweden. The present paper deals …

New occurrences of Traquairaspis sp., Oniscolepis? sp., Turinia sp., Cephalaspis (Zenaspis)
cf. excellens Wängsjö, Nostolepis sp. and Ischna‐canthidae gen. et sp. indet. are recorded …

The diverse metazoan fauna from the upper member of the Buen Formation of North
Greenland is described as a complement to published descriptions of the exceptionally …

Important biological and geological events occurred during the early to middle
Neoproterozoic. Among diversifying eukaryotic assemblages, populations of …