Family

Dicranograptidae Lapworth, 1873

Images
GIT 341-55
Dicranograptus clingani | Campograptus clingani (Carruthers, 1868)
971.43 Aeronian
GIT 451-339
Pleurograptus linearis | Pleurograptus linearis (Carruthers, 1858)
GIT 526-66
Dicranograptus clingani | Campograptus clingani (Carruthers, 1868)
Upper Ordovician | Lower Hartwell Formation, Caradoc
GIT 709-10
Nemagraptus gracilis | Nemagraptus gracilis (Hall, 1847)
Uhaku Stage
GIT 709-3
Dicranograptus spinifer | Dicranograptus spinifer (Ellest et Wood, 1904)
GIT 709-4
Nemagraptus subtilis | Nemagraptus subtilis Hadding, 1913
Uhaku Stage
GIT 709-5
Nemagraptus subtilis | Nemagraptus subtilis Hadding, 1913
Uhaku Stage
GIT 709-6
Nemagraptus subtilis | Nemagraptus subtilis Hadding, 1913
Uhaku Stage
GIT 709-7
Nemagraptus gracilis | Nemagraptus gracilis (Hall, 1847)
158.6 Kukruse Stage
GIT 709-8
Nemagraptus gracilis | Nemagraptus gracilis (Hall, 1847)
158.6 Kukruse Stage