Author:
Fisher,J.C.
Year:
1955
Title:
The Hystrichosphaerids in the Clinton Group, (Silurian), of New York State.
Reference:
Fisher,J.C. (1955) The Hystrichosphaerids in the Clinton Group, (Silurian), of New York State. MSc Thesis, University of Massachusetts P. 1- 58
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Genus Species Country(Region) From To
Hystrichosphaeridium Hystrichosphaeridium amplum sp. nov. New York Middle Clintonian Late Clintonian
Hystrichosphaeridium Hystrichosphaeridium asymmetricum sp. nov. New York Middle Clintonian Late Clintonian
Hystrichosphaeridium Hystrichosphaeridium brevispinosum sp. nov. New York Middle Clintonian
Hystrichosphaeridium Hystrichosphaeridium calvum sp. nov. New York Middle Clintonian Late Clintonian
Hystrichosphaeridium Hystrichosphaeridium digitatum sp. nov. New York Middle Clintonian Late Clintonian
Hystrichosphaeridium Hystrichosphaeridium group a sp. nov. New York Clintonian
Hystrichosphaeridium Hystrichosphaeridium group b sp. nov. New York Middle Clintonian Late Clintonian
Hystrichosphaeridium Hystrichosphaeridium hibbardii sp. nov. New York Early Clintonian
Hystrichosphaeridium Hystrichosphaeridium longispinosum sp. nov. New York Middle Clintonian Late Clintonian
Hystrichosphaeridium Hystrichosphaeridium multipilosum New York Middle Clintonian Late Clintonian
Hystrichosphaeridium Hystrichosphaeridium multispinosum sp. nov. New York Silurian
Hystrichosphaeridium Hystrichosphaeridium multispinosum sp. nov. New York Middle Clintonian Late Clintonian
Hystrichosphaeridium Hystrichosphaeridium pentaspinosum sp. nov. New York Middle Clintonian Late Clintonian
Hystrichosphaeridium Hystrichosphaeridium piriferum sp. nov. New York Late Clintonian
Hystrichosphaeridium Hystrichosphaeridium quadrangulatum sp. nov. New York Early Clintonian
Hystrichosphaeridium Hystrichosphaeridium simulatum New York Middle Clintonian
Hystrichosphaeridium Hystrichosphaeridium sp New York Clintonian