Rhynchonellata - Rhynchonellida - Rhynchoporidae

Full reference: J. B. Waterhouse. 1982. An Early Permian cool-water fauna from pebbly mudstones in south Thailand. Geological Magazine 119(4):337-354

Belongs to Rhynchopora according to G. R. Shi et al. 2001

Sister taxa: Rhynchopora abnormalis, Rhynchopora angulatiplicata, Rhynchopora arctica, Rhynchopora australasica, Rhynchopora bicostata, Rhynchopora complanata, Rhynchopora depressa, Rhynchopora dossena, Rhynchopora geinitziana, Rhynchopora grandirostris, Rhynchopora guadalupensis, Rhynchopora hebetata, Rhynchopora illinoisensis, Rhynchopora inconstantis, Rhynchopora kochi, Rhynchopora lobjaensis, Rhynchopora magna, Rhynchopora magnicosta, Rhynchopora matsumotoi, Rhynchopora molina, Rhynchopora nikitini, Rhynchopora palumbula, Rhynchopora patula, Rhynchopora relegata, Rhynchopora scorsa, Rhynchopora solonensis, Rhynchopora sphenoides, Rhynchopora subtrigonalis, Rhynchopora taylori, Rhynchopora tchernyshae, Rhynchopora tenera, Rhynchopora tenuicostata, Rhynchopora tripartita, Rhynchopora variabilis, Rhynchopora wynnei, Rhynchopora zaljakensis

Type specimen: TBR 504, a valve (Ventral valve). Its type locality is Ko Muk Island, Collection 5, which is in an Asselian marine mudstone in the Lower Formation of Thailand.

Ecology: stationary epifaunal suspension feeder

Average measurements (in mm): shell 12.4 x 12.8, valve 14.0 x 17.2