†family Whittardiidae Williams 1974 (lamp shell)
Rhynchonellata - Orthida - Whittardiidae
Parent taxon: Orthoidea according to A. Williams et al. 2000
Sister taxa: Anomalorthidae, Archaeorthidae, Bajanorthis, Bohemiellidae, Cathaysiorthidae, Glyptorthidae, Hesperonomiidae, Hesperorthidae, Lycophoriidae, Malinella, Nugnecella, Orthidae, Orthidiellidae, Ottadalenites, Plaesiomyidae, Poramborthidae, Productorthidae, Skenidioidae, Tarfayidae, Turarella, Zhejiangorthis, Dolerorthidae, Dinorthidae
Subtaxa: Marginorthis Whittardia
Type: Whittardia
Ecology: stationary epifaunal suspension feeder
Distribution:
• Ordovician of the United Kingdom (3 collections)
Total: 3 collections each including a single occurrence