†Seymourtula Zinsmeister 1988 (file clam)
Bivalvia - Pectinida - Limidae
Parent taxon: Limidae according to J. D. Stilwell et al. 2004
Sister taxa: Acesta, Anomolima, Antarctolima, Antiquilima, Aviculolima, Badiotella, Calcicanicularia, Callolima, Costellacesta, Ctenoides, Ctenostreioninae, Ctenostreon, Dimorphoconcha, Divarilima, Echinorbis, Elimata, Eolimea, Escalima, Gemellima, Gryphellina, Isolimea, Latemaria, Lima, Limaria, Limatula, Limatuletta, Limatulinae, Limea, Liminae, Mantellina, Meotolima, Mysidioptera, Notolimea, Palaeolima, Plagiostoma, Plagiostominae, Platilimaria, Plicacesta, Pseudacesta, Pseudoctenostreon, Pseudolimea, Pseudolucina, Roncania, Serania, Tirolidia
Subtaxa: Seymourtula antarctica
Ecology: stationary low-level epifaunal suspension feeder