clarki (also called Paedumias clarki)
Trilobita (Trilobites), Order
Redlichiida, Suborder Olenellina, Superfamily Olenelloidea, Family Olenellidae
Time: Lower Cambrian
trilobite - 23 mm; right trilobite - 75 mm
Latham Shale, Marble Mountains, San Bernardino County, California
Olenellus are quite rarely found with more than a cephalon, Ruin
Wash in Nevada is a notable exception. This specimen is from a very
old collection, and is from a locality that is no longer collectable.
The specimen on the right has been professionally prepared to expose
the many spnies.
species was formerly known as Olenellus (Paedumias) clarki or (Paedumias)
clarki. The reletively widespread species is also found in the lower
Ogygopsis Faunule, Bonnia-Olenellus Biozone, Inyo-White Mountains,
Mount, JD (1980) Characteristics of Early Cambrian Faunas from Eastern
San Bernardino County, California. Southern California Paleontological
Society Special Publications, no. 2, p. 19-29.