Subfamily

Quadrithyridinae Gourvennec, 1994

Images
GIT 130-236
Quadrithyris sinuata | Quadrithyris sinuata Rubel, 1970
Paadla Stageholotype
GIT 130-237
Quadrithyris sinuata | Quadrithyris sinuata Rubel, 1970
Paadla Stage
TUG 434-611
Quadrithyris trio | Quadrithyris trio (Barrande, 1848)
Devonian
TUG 434-612
Quadrithyris trio | Quadrithyris trio (Barrande, 1848)
Devonian
GIT 839-611biohermi alt bituminoosne kiht Paadla Stage
GIT 839-612biohermi alt bituminoosne kiht Paadla Stage