Richard Fortey on the Trilobite Chronometer

[Oxytropidoceras]

Richard Fortey on the Trilobite Chronometer

Geology Bites • Nov 06, 2021

 

The ‘trident’ trilobites of Morocco

Dr Kendal Martyn (UK), Deposits Magazine

 

Yours,

 

Paul H.

[piranha]

The name 'Walliserops issimourensis' does not exist.  That trilobite is Walliserops lindoei  Chatterton & Gibb 2010.

 

The specimen labeled 'Walliserops sp.' is Walliserops hammii  Chatterton et al. 2006.

 

 

Chatterton, B.D.E., Fortey, R.A., Brett, K.D., Gibb, S.L, McKellar, R.C. 2006
Trilobites from the Upper Lower to Middle Devonian Timrhanrhart Formation, Jbel Gara et Zguilma, Southern Morocco.
Palaeontographica Canadiana, 25:1-177  PDF LINK

 

Chatterton, B.D.E., Gibb, S.L. 2010
Latest Early to Early Middle Devonian Trilobites from the Erbenochile Bed, Jbel Issoumour, Southeastern Morocco.

Journal of Paleontology, 84(6):1188-1205