The thecal form of some slender Llandovery Monograptus-Reference-Cited by-同舟云学术

The thecal form of some slender Llandovery Monograptus

Published:1968-06 Issue:3 Volume:105 Page:264-274
ISSN:0016-7568
Container-title:Geological Magazine
language:en
Short-container-title:Geol. Mag.

Author:

Rickards R. B.,Rushton A. W. A.

Abstract

SUMMARYThe thecal form of Monograptus argutus Lapworth and M. leptotheca Lapworth is similar to that of M. incommodus Törnquist, the type species of Pribylograptus Obut & Sobolevskaya; their thecae are geniculate and have introverted and laterally expanded apertures, and M. leptotheca has in addition apertural hoods. The relationships of these species are discussed.

Publisher

Cambridge University Press (CUP)

Subject

Geology

Reference24 articles.

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5. Bibliographic index of Bulgarian Upper Silurian graptolites;Přibyl;Izv. geol. Inst. Sof.,1955

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