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Revision of certain Pridoli monograptids from the Chełm keysection (EEP)
Lech TELLER
In: Urbanek, A. & Teller, L. (eds.), Silurian Graptolite Faunas in the East European Platform: Stratigraphy and Evolution.
Palaeontologia Polonica 1997, 56, 71-85

Abstract:

A review and revision of important graptolite index species for the Pridoli Series (Silurian) are given.
P.
rarus
Teller, P. chelmiensis Teller, and P. samsonowiczi Teller are herein regarded as chronosubspecies of
the single
Istrograptus transgrediens (Perner) lineage, while some other taxa described in the 1964 paper
proved to be merely astogenetic variants of the latter species.
P. bugensius Teller and P. aduncus Teller are
now considered junior synonyms of
Colonograptus lochkovensis Pribyl. The latter species is assigned to a new
genus,
Neocolonograptus, erected in this volume by Urbanek. A revised scheme of the Pridoli zonal
subdivision based on graptolites is presented.

Key words: Graptolites, Silurian, Pridoli, biostratigraphy, taxonomy.


Lech Teller, Instytut Paleobiologii PAN, ul. Twarda 51/55, 00 818 Warszawa, Poland. l.teller@twarda.pan.pl
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