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
Acritarch-a Acritarch-a sp.1 sp. nov. England Early Downtonian
Acritarch-a Acritarch-a sp.1 sp. nov. Wales Early Downtonian
Acritarch-a Acritarch-a sp.1 sp. nov. Libya Early Downtonian
Amicosporites Amicosporites splendidus England Late Ludlovian Downtonian
Amicosporites Amicosporites splendidus Wales Late Ludlovian Downtonian
Amicosporites Amicosporites splendidus Libya Late Ludlovian
Amicosporites Amicosporites splendidus USSR(Estonian SSR) Late Ludlovian Downtonian
Ancyrochitina Ancyrochitina ancyrea USSR(Estonian SSR) Downtonian
Ancyrochitina Ancyrochitina sp Libya Ludlovian Downtonian
Apiculiretusispora Apiculiretusispora spicula England Late Ludlovian Downtonian
Apiculiretusispora Apiculiretusispora spicula Wales Late Ludlovian Downtonian
Apiculiretusispora Apiculiretusispora spicula Libya Downtonian
Apiculiretusispora Apiculiretusispora synorea England Late Ludlovian Downtonian
Apiculiretusispora Apiculiretusispora synorea Wales Late Ludlovian Downtonian
Apiculiretusispora Apiculiretusispora synorea Libya Downtonian
Bursachitina Bursachitina oviformis USSR(Estonian SSR) Downtonian
Chelinospora Chelinospora sp England Downtonian