Genus Sphaerochitina

Species total:
126
Age range:
4100 - 289 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Sphaerochitina Precambriam Late Devonian
Sphaerochitina acanthifera Ordovician Emsian
Sphaerochitina actonica Caradocian Middle Caradocian
Sphaerochitina amazonica Early Gothlandian Early Gothlandian
Sphaerochitina armillata Early Devonian Early Devonian
Sphaerochitina bifurcata Early Devonian Early Devonian
Sphaerochitina brechyta Arenigian Arenigian
Sphaerochitina brevicollis Ordovician Ordovician
Sphaerochitina brevis Late Ordovician Early Gothlandian
Sphaerochitina brevispinosa Paleozoic Late Devonian
Sphaerochitina capillata Silurian Silurian
Sphaerochitina collinsoni Early Gothlandian Late Devonian
Sphaerochitina communisa Early Devonian Early Devonian
Sphaerochitina comosa Middle Devonian Middle Devonian
Sphaerochitina compactilis Early Paleozoic Ashgillian
Sphaerochitina complanata Valentian Famennian
Sphaerochitina complevisa Late Gothlandian Late Gothlandian