Systematics of some Late Ordovician encrinurine trilobites from Laurentian North America

D. K. Moss, and S. R. Westrop

2014

Article

Journal of Paleontology 88(6):1095-1119

Find it at:

http://dx.doi.org/10.1666/13-159

Taxa discussed in this work:

• Erratencrinurus neuter
• Erratencrinurus uncatus
• Frencrinuroides capitonis
• Physemataspis mirabilis
• Physemataspis tholus
• Physemataspis torulatus
• Walencrinuroides rolfi
• Walencrinuroides tremblayi

Taxonomy:

• Encrinuroides gelaisi belongs to Encrinuroides - Moss and Westrop (2014)
• Physemataspis mirabilis belongs to Physemataspis - Moss and Westrop (2014)
• Erratencrinurus vigilans belongs to Erratencrinurus - Moss and Westrop (2014)
• Erratencrinurus spicatus belongs to Erratencrinurus - Moss and Westrop (2014)
• Encrinuroides edseli belongs to Encrinuroides - Moss and Westrop (2014)
• Erratencrinurus uncatus belongs to Erratencrinurus - Moss and Westrop (2014)
• Erratencrinurus neuter belongs to Erratencrinurus - Moss and Westrop (2014)
• Physemataspis insularis belongs to Physemataspis - Moss and Westrop (2014)
• Physemataspis torulatus belongs to Physemataspis - Moss and Westrop (2014)
• Physemataspis tholus belongs to Physemataspis - Moss and Westrop (2014)
• Frencrinuroides capitonis belongs to Frencrinuroides - Moss and Westrop (2014)
• Erratencrinurus belongs to Encrinurinae - Moss and Westrop (2014)
• Physemataspis belongs to Encrinurinae - Moss and Westrop (2014)
• Encrinuroides belongs to Encrinurinae - Moss and Westrop (2014)
• Walencrinuroides belongs to Encrinurinae - Moss and Westrop (2014)
• Walencrinuroides rolfi belongs to Walencrinuroides - Moss and Westrop (2014)
• Walencrinuroides tremblayi belongs to Walencrinuroides - Moss and Westrop (2014)
• Walencrinuroides rarus belongs to Walencrinuroides - Moss and Westrop (2014)
• Frencrinuroides belongs to Encrinurinae - Moss and Westrop (2014)