Article: Type specimens of the genus Fenestella from the Lower Carboniferous of Great Britain

The morphology and systematic position of the bryozoan genus Fenestella Lonsdale are briefly discussed. Phillips's species of the genus are referred to a variety of genera or declared nomina dubia; M'Coy's species are redescribed and a new genus Parafenestella erected to contain one of them; two of R. Etheridge junior's species are redescribed, and figured for the first time.