Ordovician (Whiterock) calymenid and encrinurid trilobites from the Precordillera of Argentina

G. D. Edgecombe, B. D. E. Chatterton, B. G. Waisfeld, and N. E. Vaccari

1998

Article

Journal of Paleontology 72(4):678-697

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Taxa discussed in this work:

• Encrinuroides edseli
• Encrinuroides obesus
• Encrinuroides periops
• Erratencrinurus lapworthi
• Lasaguaditas
• Lasaguaditas oweni
• Physemataspis coopi
• Platycalymene trapezoidalis
• Sulcocalymene
• Walencrinuroides autochthon
• Walencrinuroides polypleura

Taxonomy:

• Encrinuroides obesus belongs to Encrinuroides - Tripp (1965)
• Encrinuroides periops belongs to Encrinuroides - Tripp (1967)
• Physemataspis coopi belongs to Physemataspis - Evitt and Tripp (1977)
• Walencrinuroides autochthon belongs to Walencrinuroides - Edgecombe et al. (1998)
• Erratencrinurus lapworthi belongs to Erratencrinurus - Edgecombe et al. (1998)
• Walencrinuroides polypleura belongs to Walencrinuroides - Edgecombe et al. (1998)
• Lasaguaditas oweni belongs to Lasaguaditas - Edgecombe et al. (1998)
• Lasaguaditas belongs to Encrinuridae - Edgecombe et al. (1998)
• Platycalymene trapezoidalis belongs to Platycalymene - Edgecombe et al. (1998)
• Sulcocalymene belongs to Platycalymene - Edgecombe et al. (1998)