†Thamnoseris arnaudi Alloiteau 1957 (stony coral)
Anthozoa - Scleractinia - Latomeandridae
Alternative combination: Polyastropsis arnaudi
Belongs to Thamnoseris according to H. Löser 2008
Sister taxa: Thamnoseris ankotrofotsyensis, Thamnoseris arborescens, Thamnoseris blauensis, Thamnoseris cadomensis, Thamnoseris carpathica, Thamnoseris delorenzoi, Thamnoseris etalloni, Thamnoseris fromenteli, Thamnoseris frotei, Thamnoseris hoernesi, Thamnoseris montipastelli, Thamnoseris morchella, Thamnoseris perroni
Ecology: stationary intermediate-level epifaunal photosymbiotic-suspension feeder