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Eopeachella angustispina

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Journal Article
Published: 01 March 2009
Journal of Paleontology (2009) 83 (2): 197–218.
... from recently collected material from the Delamar Member of the Pioche Formation, Nevada. Eopeachella angustispina n. gen. n. sp., is less derived and stratigraphically older than both Peachella species and bridges the morphological gap between Peachella and typical olenelloids. The study reveals...
FIGURES | View All (13)
Image
Figure  12 —Morphologically mature cephala of  <b>Eopeachella</b> <b>angustispina</b> .  ...
Published: 01 March 2009
Figure 12 —Morphologically mature cephala of Eopeachella angustispina . 1–3, holotype cephalon in dorsal, left lateral, and oblique dorsoanterolateral views, FMNH PE58061, ×3; 4–7, Cephalon in dorsal, left lateral, anterior, and oblique dorsoanterolateral views, FMNH PE58060, ×3; 8
Image
Figure  13 —Morphologically mature cephala of  <b>Eopeachella</b> <b>angustispina</b> .  ...
Published: 01 March 2009
Figure 13 —Morphologically mature cephala of Eopeachella angustispina . 1, poorly preserved, exfoliated cephalon in early phase 5 of development, dorsal view, FMNH PE58066, ×10; 2, incomplete and exfoliated cephalon, dorsal view, FMNH PE58065, ×7; 3, exfoliated cephalon, dorsal view, FMNH
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Figure  7 —Morphometric data for  Peachella iddingsi  (squares),  P. brevis...
Published: 01 March 2009
Figure 7 —Morphometric data for Peachella iddingsi (squares), P. brevispina (circles), and Eopeachella angustispina (triangles), plotted against sagittal glabellar length (mm). 1, angle of divergence of ocular lobes from exsagittal axis, measured as angle between exsagittal axis and line
Image
Figure  8 —Morphometric data for  Peachella iddingsi  (squares),  P. brevis...
Published: 01 March 2009
Figure 8 —Morphometric data for Peachella iddingsi (squares), P. brevispina (circles), and Eopeachella angustispina (triangles), plotted against sagittal glabellar length (mm). 1, strength of the adgenal angle, measured as the angle of anterior deflection of the distal portion