Tetrastemma strandae sp. nov.

Costa Rican deep-sea hoplonemertean, SIO-BIC N234 Aligned cross sections of complete specimen (in 2 folders), serial sections, 5µm, Azan哥斯达黎加深海异纽目纽形动物，标本编号SIO-BIC N234：完整标本的对齐连续横切面切片，分装于2个文件夹中，切片厚度为5微米，采用阿赞（Azan）染色法。