Protoopalina

Binucleated, with a short, broad axial falx running parallel to the anteroposterior axis of the cell. Kineties cover the body evenly. A few species with four, six or eight nuclei have been reported, mostly in Asia. Predominantly Old World. Reported mostly from anuran amphibia, but also from caudate amphibia, reptiles and fish. Examples are: Protoopalina intestinalis, P. mitotica, P. tenuis, P. saturnalis. The type is said to be P. intestinalis (Stein 1856) described from Bombina bombina.

Protoopalina is a genus of heterokonts.

Examples are Protoopalina intestinalis and Protoopalina pingi.

Species listed by the Australian Faunal Directory are:

Protoopalina acuta (Raff, 1911) Protoopalina adelaidensis Metcalf, 1923 Protoopalina australis Metcalf, 1923 Protoopalina bibronii Metcalf, 1940 Protoopalina dorsalis (Raff, 1912) Protoopalina hylarum (Raff, 1911) Protoopalina jonesi Delvinquier, 1987 Protoopalina papuensis Metcalf, 1923 Protoopalina polykineta Grim & Clements, 1996 Protoopalina queenslandensis Delvinquier, 1987 Protoopalina raffae Delvinquier, 1987 Protoopalina singeri Delvinquier, 1987 Protoopalina tenuis (Raff, 1911) Protoopalina tronchini Delvinquier, 1987 Protoopalina waterloti Delvinquier, 1987