Autothecal morphs and dormancy in the camaroid graptolite Xenotheka Piotr Mierzejewski Acta Palaeontologica Polonica 2003, 48, 1, 93-98 |
Upper view of isolated autotheca, normal morph. Length 0.67 mm. |
Lateral view of isolated autotheca, normal morph. Length 0.98 mm. |