A revised correlation of Silurian rocks in the Girvan district, SW Scotland

JD Floyd, M Williams - … Science Transactions of The Royal Society of …, 2002 - cambridge.org
In late Ordovician and early Silurian times, the Girvan district lay in a shelf marinesetting on
the margin of Laurentia, on the northern side of the Iapetus Ocean. The Lower Palaeozoic …

Sequence boundaries and chronostratigraphic gaps in the Llandovery of Ohio and Kentucky: The record of early Silurian paleoceanographic events in east-central …

NB Sullivan, PI McLaughlin, CE Brett… - …, 2016 - pubs.geoscienceworld.org
New and published data are integrated herein to resolve the age and stratigraphic
relationships for problematic strata of the Aeronian and Telychian (Llandovery; Silurian) in …

A field guide to the Silurian Echinodermata of the British Isles: Part 2–Crinoidea, minor groups and discussion

SK Donovan, DN Lewis, P Crabb… - Proceedings of the …, 2008 - lyellcollection.org
Crinoids are the most common and diverse group of echinoderms in the Silurian of the
British Isles. This guide describes examples of all nominal crinoid groups recognized from …

Llandovery Crinoidea of the British Isles, including description of a new species from the Kilbride Formation (Telychian) of western Ireland

SK Donovan, DAT Harper - Geological Journal, 2003 - Wiley Online Library
A new species of cladid (?) crinoid, Segmentocolumnus (col.) clarksoni, based on distinctive,
disarticulated stem material, is described from the Upper Llandovery Kilbride Formation …

A Rhuddanian (Silurian, Lower Llandovery) pelmatozoan fauna from south‐west Wales

SK Donovan - Geological Journal, 1993 - Wiley Online Library
Only two crinoid faunas of Rhuddanian or early Aeronian age have been described hitherto,
both from North America. A Rhuddanian pelmatozoan fauna from Haverfordwest, Dyfed …

A robust crinoid from the Llandovery (Lower Silurian) of Norbury, Shropshire: systematics, palaeoecology and taphonomy

FE Fearnhead, SK Donovan - Proceedings of the Geologists' Association, 2007 - Elsevier
Crinoids remain poorly known from the Llandovery of the British Isles despite disarticulated
columnals being locally common. Cyclocyclicus (col.) geoffnewalli sp. nov. is based on …

The Middle Llandovery brachiopod fauna of the Newlands Formation, Girvan, Scotland

LRM Cocks - Journal of Systematic Palaeontology, 2008 - Taylor & Francis
Synopsis Forty‐one Lower Silurian brachiopods from a single locality in the Newlands
Formation of Girvan, Strathclyde, Scotland, are described and illustrated, many for the first …

Nomenclature of disarticulated pelmatozoan columnals: a comment

SK Donovan - Journal of Paleontology, 2001 - cambridge.org
IN A recently published account of Middle Triassic crinoids from southwest China, Stiller
(2000, p. 33) made a number of general points concerning the classification of crinoids on …

New crinoids (Echinodermata) from the Llandovery (Lower Silurian) of the British Isles

FE Fearnhead, SK Donovan - Palaeontology, 2007 - Wiley Online Library
British Llandovery crinoids remain poorly known. Three species are documented herein that
were originally described, but not published, by WHC Ramsbottom. Clematocrinus …

A 'British'Silurian crinoid from Quinn Point, New Brunswick, eastern Canada

SK Donovan, DG Keighley - Proceedings of the Geologists' Association, 2015 - Elsevier
Crinoids are common fossils, yet complete specimens are rare. Diverse plates from the
crinoid endoskeleton may be preserved, but the columnals from the stem are the most …