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Spinomarginifera yuduensis Hu and Jin 1982 (lamp shell)

Strophomenata - Productida - Productellidae

PaleoDB taxon number: 173361

Alternative combination: Waagenoconcha yuduensis

Full reference: S. Hu and Y. G. Jin. 1982. Brachiopod taxonomic names. Palaeontological Atlas of East China 2:186-256

Belongs to Spinomarginifera according to M. E. Clapham 2015

Sister taxa: Spinomarginifera alpha, Spinomarginifera ciliata, Spinomarginifera ciliata, Spinomarginifera costata, Spinomarginifera desgodinsi, Spinomarginifera giganta, Spinomarginifera grandis, Spinomarginifera helica, Spinomarginifera intercedens, Spinomarginifera iranica, Spinomarginifera janus, Spinomarginifera jiaozishanensis, Spinomarginifera kathwaiensis, Spinomarginifera kueichowensis, Spinomarginifera labaensis, Spinomarginifera lopingensiformis, Spinomarginifera lopingensis, Spinomarginifera niulanshanensis, Spinomarginifera plana, Spinomarginifera plena, Spinomarginifera pseudosintanensis, Spinomarginifera punctatus, Spinomarginifera pygmaea, Spinomarginifera qaidamensis, Spinomarginifera qiaotingensis, Spinomarginifera shizhongensis, Spinomarginifera sichuanensis, Spinomarginifera spatiosa, Spinomarginifera spinosocostata, Spinomarginifera subcylindrica, Spinomarginifera sulcata, Spinomarginifera tuberculatiformis, Haydenoides orientalis

Type specimen: Nanjing Inst Geol Min Res Br014. Its type locality is Duanwu Section, Chetou, Yudou County, which is in a Wordian marine limestone in the Xiaojiangbian Formation of China.

Ecology: stationary low-level epifaunal suspension feeder

Average measurements (in mm): shell 23.2 x 24.5, valve 21.9 x 25.6