ammonites
Streblochondria orbiculata Waterhouse 1982 (clam)

Bivalvia - Pectinida - Streblochondriidae

Full reference: J. B. Waterhouse. 1982. Permian Pectinacea and Limacea (Bivalvia) from New Zealand. New Zealand Geological Survey Paleontological Bulletin 49:1-75

Belongs to Streblochondria according to J. B. Waterhouse 1982

Sister taxa: Streblochondria condrai, Streblochondria didymoscripta, Streblochondria erecta, Streblochondria flexuosa, Streblochondria guangdongensis, Streblochondria hertzeri, Streblochondria histion, Streblochondria infelix, Streblochondria matsushitai, Streblochondria mira, Streblochondria mutata, Streblochondria parkesi, Streblochondria sculptilis, Streblochondria senilis, Streblochondria sericea, Streblochondria shouchangensis, Streblochondria stantonensis, Streblochondria striatus, Streblochondria subequivalva, Streblochondria subgranosa, Streblochondria sueroi, Streblochondria tenuilineata, Streblochondria tiltoni, Streblochondria winsnesi

Type specimen: NZGS TM3630. Its type locality is GS5077, Arthurton (G45/f8592), which is in a Wuchiapingian marine horizon in the AG4 Formation of New Zealand.

Ecology: nektobenthic suspension feeder

Average measurements (in mm): valve length 12.7