Genus Pachytesta

Species total:
10
Age range:
345 - 280 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Pachytesta Allegheny Allegheny
Pachytesta berryvillensis Carboniferous Carboniferous
Pachytesta composita Middle Pennsylvanian Middle Pennsylvanian
Pachytesta gigantea Middle Pennsylvanian Middle Pennsylvanian
Pachytesta hexangulata Middle Pennsylvanian Late Pennsylvanian
Pachytesta illinoensis Carboniferous Late Pennsylvanian
Pachytesta incrassata Nd Nd
Pachytesta saharaspermum Middle Pennsylvanian Middle Pennsylvanian
Pachytesta stewartii Middle Pennsylvanian Middle Pennsylvanian
Pachytesta vera Middle Pennsylvanian Middle Pennsylvanian