Intro | Search taxa | Taxon tree | Sources | Webservice | Statistics | Editors | Log in

RAS source details

Shcherbakov, Dmitry E.; Timm, Tarmo; Tzetlin, Alexander B.; Vinn, Olev; Zhuravlev, Andrey Y. (2020). A probable oligochaete from an Early Triassic Lagerstätte of the southern Cis-Urals and its evolutionary implications. Acta Palaeontologica Polonica. in press: 1-15.
378945
10.4202/app.00704.2019 [view]
Shcherbakov, Dmitry E.; Timm, Tarmo; Tzetlin, Alexander B.; Vinn, Olev; Zhuravlev, Andrey Y.
2020
A probable oligochaete from an Early Triassic Lagerstätte of the southern Cis-Urals and its evolutionary implications
Acta Palaeontologica Polonica
in press: 1-15
Publication
DOI not working yet
Oligochaetes, despite their important role in terrestrial ecosystems and a tremendous biomass, are extremely rare fossils. The palaeontological record of these worms is restricted to some cocoons, presumable trace fossils and a few body fossils the most convincing of which are discovered in Mesozoic and Cenozoic strata. The Olenekian (Lower Triassic) siliciclastic lacustrine Petropavlovka Lagerstätte of the southern Cis-Urals yields a number of extraordinary freshwater fossils including an annelid. The segmented body with a secondary annulation of this fossil, a subtriangular prostomium, a relatively thick layered body wall and, possibly, the presence of a genital region point to its oligochaete affinities. Other fossil worms which have been ascribed to clitellates are reviewed and, with a tentative exception of two Pennsylvanian finds, affinities of any pre-Mesozoic forms to clitellate annelids are rejected. The new fossil worm allows tracing of a persuasive oligochaete record to the lowermost Mesozoic and confirms a plausibility of the origin of this annelid group in freshwater conditions.
Europe
RIS (EndNote, Reference Manager, ProCite, RefWorks)
BibTex (BibDesk, LaTeX)
Date
action
by
2020-04-21 08:14:47Z
created

Oligochaeta incertae sedis (additional source)
This service is powered by LifeWatch Belgium
Learn more»
Website and databases developed and hosted by VLIZ · Page generated 2022-08-11 · contact: Anton Van de Putte