A redescription of the Llandoverian monograptid “Graptolithus” tenuis, Portlock, 1843

1 June 1968

journal article
research article
Published by Cambridge University Press (CUP) in Geological Magazine

Vol. 105 (3) , 251-255
https://doi.org/10.1017/s0016756800052262

Abstract

The type specimen, other figured specimens and supplementary material of Monograptus tenuis (Portlock, 1843) have revealed the presence of pronounced ventral apertural processes which place this species in a unique position in the Monograptina. The affinities of M. tenuis are discussed.

Keywords

REDESCRIPTION
GRAPTOLITHUS
LLANDOVERIAN MONOGRAPTID
MONOGRAPTINA
AFFINITIES
MONOGRAPTUS
SUMMARY
SUPPLEMENTARY

This publication has 3 references indexed in Scilit:

The Valentian succession around Llanidloes, Montgomeryshire
Quarterly Journal of the Geological Society, 1944
V.—On Scottish Monograptidæ
Geological Magazine, 1876
On the Graptolites of the Coniston Flags; with Notes on the British Species of the Genus Graptolites
Quarterly Journal of the Geological Society, 1868