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Showing results for tags 'billings formation'.
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Ventrally preserved. Both genal spines and one thoracic spine are present. Hyostome slightly visible. Found associated with T. eatoni, T. rougensis, cephalopods and graptolites.
- 3 comments
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- triarthrus spinosus
- trilobite
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Found associated with T. rougensis, T. spinosus, brachiopods, cephalopods, and graptolites. Included in multi plate alongside eight other complete or near complete T. eatoni.
- 2 comments
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- billings shale
- north america
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Included in multi plate alongside eight other complete or near complete T. eatoni. Found in association with T. rougensis, T. spinosus, Brachiopods, Cephalopods, and Graptolites. The Cephalon is slightly disarticulated, likely from molting.
- 2 comments
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- billings formation
- phanerozoic
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Found associated with T. rougensis, T. spinosus, brachiopods, cephalopods, and graptolites. Included in multi plate alongside three other T. eatoni and one T. rougensis. Both eyes are preserved.
- 1 comment
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- triarthrus
- trilobite
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Both genal spines are present. Right side of cephalon is slightly pyritized. Found associated with T. spinosus, T. eatoni, cephalopods, and graptolites.
- 1 comment
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- ontario
- triarthrus
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Found associated with T. eatoni, T. rougensis, cephalopods, and graptolites. Impression of right genal spine is present. Right side of cephalon is slightly pyritized.
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- billings formation
- billings shale
- (and 8 more)
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From the album: Billings Shale
A P. latimarginatus pygidium from the Billings formation near St. Laurent, Ottawa. -
From the album: Billings Shale
A partially pyritized P. latimarginatus pygidium from the Billings formation near St. Laurent, Ottawa.