ammonites
†family Syringothyrididae Fredericks 1926 (lamp shell)

Rhynchonellata - Spiriferinida

Parent taxon: Syringothyridoidea according to A. Williams et al. 2006

Sister taxa: Dimegelasmidae, Licharewiidae

Subtaxa: Permasyrinxinae, Septosyringothyridinae, Syringothyridinae, Yukonospirifer

View classification

Type: Syringothyris

Ecology: stationary low-level epifaunal suspension feeder