Planktonic Protists1. Microscopic... ... 91. Issel 1934 ... 92. Conover... 93. Eutintinnus... 94. Pterocanium... 95. paleo... 96. "Drop your ... 97. Nassularian... ... 120. Scyphosphae... |
Pterocanium trilobum Skeleton Haeckel 1862 Dictyopdium trilobum |