Large specimens of 'branching' trepostome bryozoans: Batostoma sp, Hallopora sp.
Viewed: 473 times.
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| Conodonts (phosphatic teeth of the conodont animal - an early chordate); 1 or 2 mm long
Viewed: 456 times.
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| Cornulites (possibly a calcareous worm shell) on a brachiopod valve; 5 mm long
Viewed: 448 times.
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| Crinoid theca plates: Carabocrinus dicyclicus, Cupulocrinus jewetti; upper row, center, is a holdfast by which the crinoid attached itself to the surface
Viewed: 405 times.
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Marine worm burrowing traces - once called 'fucoids' (fosillized seaweed - Camarocladia rugosa)
Viewed: 443 times.
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| Inarticulate brachiopods: Lingula(4 mm), Pseudolingula elderi(1-1.5 mm wide); Craniops? (2-3 mm wide)
Viewed: 389 times.
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| Ishadites iowaensis
Viewed: 418 times.
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| Large traces (unknown affinity) - note spiral nature of structure
Viewed: 412 times.
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