|ENCRUSTING GRAPTOLITES FROM THE MULDE BEDS OF GOTLAND|
|Acta Palaeontologica Polonica 1988, 33, 3, 261-266|
|Two species of the Crustoidea (Bulmanicrusta latialata Kozlowski, Urbanekicrusta reversa Mierzejewski) and three species of the Tuboidea (Kozlowskitubus erraticus (Kozlowski), Epigraptus kozlowskii Mierzejewski and E. ex gr. bilinguis (Kozlowski) are reported from the upper part of the Mulde Beds (upper Wenlock) of Gotland. Up to the present time, the first four species have been known from glacial boulders of Poland exclusively.|
|Kozlowskitubus erraticus (Kozlowski).
To the right is a young colony composed of a sicula, autotheca and bitheca. Height of the specimen - 0.392 mm.