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    • Coral (3)
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Graptolites

Graptolite Research News
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Dictyonema gracilis Hall, 1852
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Desmograptus micronematodes Spencer, 1882
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Dictyonema retiforme (Hall, 1843)
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Undetermined ID GRA21
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Acanthograptus granti Spencer, 1878, This specimen had been identified as Acanthograptus granti but has now been identified as Inocaulis plumulosus.
Recent discussion suggests this species is a green alga of the Dasycadaean group and not a graptolite.
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Dictyonema crassibasale Gurley, 1909
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Inocaulis ramulosus Spencer, 1882 new research has identified the specimen as Acanthograptus, probably the species walkeri
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Undetermined ID GRA22 Although undetermined but is likely Acanthograptus with the species unknown.


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  • Home
  • Unique Specimens
  • Research News
    • Graptolite Update
  • The Caleb Quarry
    • Stratigraphy & Paleoenvironments
    • A Silurian Environment Illustration
    • Quarry Stratigraphy
  • Classic Photos
    • Classic Trilobites
    • Classic Cystoids
    • Classic Crinoids
    • Classic Conulariid
    • Classic Bryozoan
    • Classic Worm Tubes
  • Rochester Shale Fauna Record
    • Coral (3)
    • Bivalves (2)
    • Bryozoan (15)
    • Brachiopods (26)
    • Gastropods (5)
    • Cephalopods (5)
    • Conulariids (4)
    • Graptolites (8)
    • Worm Tubes (4)
    • Machaeridian Worms (1)
    • Edrioasteroid (2)
    • Starfish (3)
    • Brittle Stars (2)
    • Coronoidea (1)
    • Crinoids (14)
    • Cystoids (3)
    • Trilobites (11)
    • Incertae Sedis (uncertain group) (3)
    • Ichnofossils (trace fossils) (4)