Weeks Formation Plate 2:

 

 

Figure 2.4:1-3,Menomonia semele (Walcott);1,dorsal view of articulated exoskeleton, (FMNH PE57118),X6.6;2,right-lateral view of dorsal exoskeleton shown in 4.1,X6.5; 3,dorsal view of articulated exoskeleton (FMNH PE57119),X4.5;4-5 Dresbachia amata Walcott,(FMNH PE57120);4,dorsal view of articulated exoskeleton,X4.2; 5,frontal view of cephalon showing slight dorsal defl ections of margin,X5.9;6-8, Nephalicephalus beebei n.gen n.sp;6,dorsal view of articulated exoskeleton,(FMNH PE57121),X3.1;7,dorsal view of articulated exoskeleton,(FMNH PE57122),X6.3; 8,dorsal view of articulated exoskeleton,(FMNH PE57123),X4.6;9,Selenocoryphe platyura n.gen n.sp,dorsal view of articulated exoskeleton,(USNM 437980),X1.6;10, Norwoodia bellaspina n.sp,dorsal view of articulated exoskeleton,(USNM 437971), X4.0;11-13,Modocia weeksensis n.sp;11,dorsal view of articulated exoskeleton, (FMNH PE57124),X2.1;12,dorsal view of articulated exoskeleton,(FMNH PE57125), X2.8;13,dorsal view of articulated exoskeleton with cephalon bent under thorax to expose ventral surface of genal spines,(FMNH PE527126),X1.8.

 

Acknowledgements:

    Many thanks to Dr. Shanan Peters for his permission to use these unpublished plates (Shanan Peters, unpubl. dissertation, 2003). As these are unpublished plates, and the sole property of Dr. Peters, permission from the author must be gained in order to reproduce these plates. Please note that these plates are not from the final, peer-reviewed version of the manuscript.

Shanan E. Peters
University of Michigan
Museum of Paleontology
1109 Geddes Road
Ann Arbor, MI 48109-1063

 

 

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