Richardson,J.B.

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