Author:
Richardson,J.B.;Rasul,S.M.;Al-Ameri,T.
Year:
1981
Title:
Acritarchs, miospores and correlation of the Ludlovian - Downtonian and Silurian - Devonian boundaries.
Reference:
Richardson,J.B. et al. (1981) Acritarchs, miospores and correlation of the Ludlovian - Downtonian and Silurian - Devonian boundaries. Review of Palaeobotany and Palynology Vol. 34 P. 209- 224
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Genus Species Country(Region) From To
Eupoikilofusa Eupoikilofusa laitha England Late Ludlovian
Leoniella Leoniella sp England Late Ludlovian
Apiculiretusispora Apiculiretusispora synorea England Late Ludlovian Downtonian
Apiculiretusispora Apiculiretusispora spicula England Late Ludlovian Downtonian
Amicosporites Amicosporites splendidus England Late Ludlovian Downtonian
Chelinospora Chelinospora sp England Downtonian
Onondagella Onondagella deunffii England Downtonian
Visbysphaera Visbysphaera dilatispinosa England Ludlovian Downtonian
Emphanisporites Emphanisporites micrornatus England Gedinnian
Streelispora Streelispora newportensis England Gedinnian
Emphanisporites Emphanisporites sp England Downtonian
Emphanisporites Emphanisporites micrornatus England Gedinnian
Acritarch-a Acritarch-a sp.1 sp. nov. England Early Downtonian
Dictyotidium Dictyotidium arctum Libya Late Ludlovian
Eupoikilofusa Eupoikilofusa laitha Libya Late Ludlovian
Onondagella Onondagella asymmetrica Libya Llandoverian Ludlovian
Visbysphaera Visbysphaera jardinei Libya Downtonian