Wicander,R.

Author:
Wicander,R.

Year:
1984

Title:
Middle Devonian acritarch biostratigraphy of North America

Reference:

Wicander,R. (1984) Middle Devonian acritarch biostratigraphy of North America Journal of Micropalaeontology Vol. 3 # 2 P. 19- 24

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Genus	Species	Country(Region)	From	To
Protoleiosphaeridium	Protoleiosphaeridium microsaetosum	North America	Early Givetian	Early Famennian
Pterospermella	Pterospermella hermosita	North America	Early Givetian	Middle Givetian
Pterospermella	Pterospermella reticulata	North America	Late Gedinnian	Givetian
Solisphaeridium	Solisphaeridium astrum	North America	Early Givetian	Early Famennian
Stellinium	Stellinium comptum	North America	Early Givetian	Early Famennian
Stellinium	Stellinium micropolygonale	North America	Emsian	Famennian
Tunisphaeridium	Tunisphaeridium tentaculaferum	North America	Gedinnian	Givetian
Tyligmasoma	Tyligmasoma alargada	North America	Emsian	Middle Givetian
Uncinisphaera	Uncinisphaera acantha	North America	Early Givetian	Middle Givetian
Veryhachium	Veryhachium europaeum	North America	Early Givetian	Middle Givetian
Veryhachium	Veryhachium lairdii	North America	Late Siegenian	Givetian
Veryhachium	Veryhachium pastore	North America	Early Givetian	Middle Givetian
Veryhachium	Veryhachium polyaster	North America	Late Siegenian	Givetian
Veryhachium	Veryhachium trispinosum	North America	Late Siegenian	Famennian
Villosacapsula	Villosacapsula rosendae	North America	Early Givetian	Middle Givetian