Edited by oilshale
- 12
Report Fossil
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By Kane (edited)
Isotelus "mafritzae" - type "b"
Kingdom: Animalia
Eon: Phanerozoic
Era: Paleozoic
Period: Ordovician
Sub Period: None
Epoch: Late
Simcoe Group
Lindsay Formation
Collector: K. Brett
Date Collected: 05/27/2017
Acquired by: Purchase/Trade
Length: 7 cm
Width: 4 cm
St Marys Quarry
Durham Region
Ontario
Canada
This species of Isotelus is yet to be formally described. It has been given the provisional species name (suspended under quotation marks) as "mafritzae." There are two known types (A and B ) of I. "mafritzae" that occur exclusively in the Lindsay Formation: Type A have long, slender genal spines, while Type B have none.
See:
Rudkin, D.M. & Tripp, R.P. 1987
A reassessment of the Ordovician trilobite Isotelus, part II: Ontario species.
Canadian Paleontology and Biostratigraphy Seminar, London, Ontario, Sept. 1987.
Edited by oilshale
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