Abstract：
The type specimens of 42 cheilostome bryozoan species introduced by Lars Siln between 1938 and 1954 and housed at three different Swedish institutions (the Swedish Museum of Natural History in Stockholm, the Biological Museum in Lund and the Museum of Evolution in Uppsala) are here revised using scanning electron microscopy, with two exceptions, for the first time. As a result of this revision, new morphological observations were made for some species, such as ooecia in Antropora erecta, a costal pseudopore in Jullienula hippocrepis, intracolonial variation in the number of intracostal windows in Costaticella gisleni, and oral spines in Triphyllozoon mauritzoni. Some other observations confirmed the presence of structures/polymorphs in type material that had previously only been noted in non-type specimens, such as spinose interzooidal kenozooids in Retevirgula triangulata and putative brooding zooids in Bugulina kiuschiuensis. Structures originally interpreted as hydroid tube openings on the dorsal side of Triphyllozoon microstigmatum were confirmed to be avicularia, while the supposed kenozooidal attachment rootlet of Fedora nodosa might be the polypide tube of a coronate scyphozoan. In addition, the original combination Heliodoma goesi is here reinstated after Lagaaij assigned the species to Setosellina in 1963. The following new combinations are also proposed: Labioporella aviculifera for Siphonoporella aviculifera; Mangana canui and Mangana incrustata for Callopora canui and Tegella incrustata, respectively; Sphaerulobryozoon ovum for Fedora ovum. Lectotypes were selected when appropriate. This work clarifies the exact identity of some species that have never been recorded after their first description, such as Stylopoma magnovicellata and three species of Triphyllozoon, and contributes to the current increasing effort to digitize historical key specimens in natural history museum collections.
摘要：
LarsSiln在1938年至1954年之间引入的42种Cheilostome苔藓动物的类型标本，并安置在三个不同的瑞典机构（斯德哥尔摩的瑞典自然历史博物馆，隆德的生物博物馆和乌普萨拉的进化博物馆）在这里使用扫描电子显微镜进行了修订，除了两个例外,第一次。由于这次修订，对一些物种进行了新的形态学观察，比如安特罗波拉的ooecia，海马Jullienula的肋假孔，Costaticellagisleni的结肠内窗口数量的结肠内变化，和Triphyllozoonmauritzoni的口腔棘。其他一些观察结果证实了以前仅在非类型标本中注意到的类型材料中存在结构/多晶型物。例如三角虎尾草中的棘突类动物和水草中的假定育卵类动物。最初被解释为Triphyllozoon微柱头背侧的水样管开口的结构被确认为小虫，而Fedoranodosa的原虫附件根可能是冠状镰刀虫的息肉管。此外,在1963年Lagaaij将该物种分配给Setosellina之后，原来的组合Heliodomagoesi在这里恢复。还提出了以下新的组合：拉米诺波雷拉用于拉米诺波雷拉；Manganacanui和Manganaincrustata用于Calloporacanui和Tegellaincrustata，分别；Sphaerulobryozoon卵为Fedora卵。在适当时选择版型。这项工作澄清了一些物种的确切身份，这些物种在第一次描述后从未被记录过，如岩藻茎突和三叶虫，并有助于当前日益努力将自然历史博物馆藏品中的历史关键标本数字化。
