†family Trechmannellidae Cox 1934 (rudist)
Bivalvia - Hippuritida - Trechmannellidae
Synonyms: Anomoptychidae Vokes 1967, Dictyoptychidae Skelton 1993
Parent taxon: Radiolitoidea according to P. W. Skelton 2013
See also Bouchet et al. 2010, Carter et al. 2011 and Steuber 2002
Sister taxa: Caprinulidae, Caprotinidae, Diceratidae, Hippuritidae, Monopleuridae, Plagioptychidae, Polyconitidae, Radiolitidae, Rousselia
Subtaxa: Anomoptychus Dictyoptychus Eodictyoptychus Semailia Trechmannella
Ecology: stationary intermediate-level epifaunal suspension feeder
Distribution:
• Cretaceous of Iran (12 collections), Iraq (2), Italy (1), Oman (6), Saudi Arabia (3), Somalia (2), Turkey (5), the United Arab Emirates (1)
Total: 32 collections including 59 occurrences