Physical description

Isograptus caduceus var. lunata Harris (7376), Castlemainian. Grey rock, graptolite specimen ringed with pencil. Other faint specimens visible on rockface. Number 'Ca37" on rock near main specimen. Graptolite 0.5 cm stipes. Graptolite specimen was formerly held in the School of Mines Museum, Pall Mall, Bendigo.