PaleoDB taxon number: 200283
Alternative combination: Tubina spinosa
Synonyms: Horiostoma tubiger Frech 1894 (no. 314817), Oriostoma tubigerum Frech 1894 (no. 314818), Semitubina tubiger Frech 1894 (no. 314819)
Full reference: F. A. Quenstedt. 1852. Handbuch der Petrefaktenkunde, 1st edition. H. Laupp'schen, Tübingen 1-792
- Semitubina spinosa: Its type locality is Area between the villages of Měňany and Koněprusy, which is in a Pragian marine horizon in the Praha Formation of the Czech Republic
- Semitubina tubiger: Its type locality is Light Gray Riffskalk, Thörl, Lake Wolayer, Carnic Alps, which is in a Pragian reef, buildup or bioherm limestone in the Grau Riffkalk Formation of Austria.
Ecology: stationary epifaunal suspension feeder