Chitinozoa from Lower Ordovician strata of the Georgina Basin, Queensland (Australia)

Playford, G. and Miller, M. A. (1988) Chitinozoa from Lower Ordovician strata of the Georgina Basin, Queensland (Australia). Geobios, 21 1: 17-39. doi:10.1016/S0016-6995(88)80029-9

Author Playford, G.
Miller, M. A.
Title Chitinozoa from Lower Ordovician strata of the Georgina Basin, Queensland (Australia)
Journal name Geobios   Check publisher's open access policy
ISSN 0016-6995
Publication date 1988-01-01
Sub-type Article (original research)
DOI 10.1016/S0016-6995(88)80029-9
Open Access Status
Volume 21
Issue 1
Start page 17
End page 39
Total pages 23
Place of publication France
Publisher Elsevier Science
Language eng
Subject 0403 Geology
Abstract A chitinozoan faunule is reported from a shallow-marineLower Ordovician sequence in the subsurface of the southeastern Georgina Basin, Queensland (Australia). From the sampled corehole (GSQ Mount Whelan 2), material of the upper Kelly Creek Formation proved barren of chitinozoans, but samples representative of the overlying Coolibah and lower Nora Formations yielded generally well preserved, compressed specimens. The upper Coolibah and Nora samples proved especially prolific, though as a whole the chitinozoan assemblage is of fairly low diversity (seven species/three genera recognizable). One new species, Belonechitina noraensis, is formally established. The morphological simplicity of the chitinozoans compares closely with those described from approximately age equivalent strata of Quebec and Spitsbergen; but contrasts with more complexly structured forms characteristic of European and North African deposits. The presence of such species as Conochitina ordinaria Achab, C. pervulgata (Umnova), and Lagenochitina combazi Finger are consonant with the late Early Ordovician (Arenigian) dating of the host strata as adduced previously on other palaeozoological grounds.
Keyword Chitinozoa
Ordovician (Arenig)
Queensland (Australia)
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Physical Sciences Publications
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