Species
Quadrithyris sinuata Rubel, 1970
Type specimen data
holotype: Department of Geology, TalTech GIT 130-236, Katri cliff (Island Saaremaa, Katri) , Paadla Stage
Synonymy list
1861     Spirifer undiferus — Eichwald , pp. 204
1970     Quadrithyris sinuata sp. nov. — Rubel , pp. 69, fig. pl. 23: 11-14
1984     Quadrithyris sinuata Rubel, 1970 — Rubel et al. , pp. 28
Selection of related publications
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Brachiopoda | 
| Subphylum | Rhynchonelliformea | 
| Class | Rhynchonellata | 
| Order | Spiriferida | 
| Suborder | Delthyridina | 
| Superfamily | Reticularioidae | 
| Family | Xenomartiniidae | 
| Subfamily | Quadrithyridinae | 
| Genus | Quadrithyris | 
| Species | sinuata | 
| trio |