Alternative combinations: Diplograptus (Glyptograptus) amplexicaulis, Graptolites amplexicaule, Orthograptus amplexicaulis
Full reference: J. Hall. 1847. Containing descriptions of the organic remains of the lower division of the New York system (equivalent of the Lower Silurian rocks of Europe). Paleontology of New York 1:1-338
Ecology: passively mobile planktonic suspension feeder
Total: 43 collections including 44 occurrences
Specimen images are retrieved through the ePANDDA API.
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