Subfamily

Dicranograptinae Lapworth, 1873

Images
GIT 709-3
Dicranograptus spinifer | Dicranograptus spinifer (Ellest et Wood, 1904)
GIT 717-5
GIT 717-6947.9 Uhaku Stage
TUG 729-7Tee ääres, Mylet (42-44 yard), kõrgem Ashgillian lubjak. Ordovician | Caradocian