Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) John L. Carter,New genera of Lower Carboniferous spiriferid brachiopods (Brachiopoda: Spiriferida),Annals of the Carnegie Museum,0097-4463,Biodiversity Heritage Library,1992-11-30,61,4,327-338,https://cir.nii.ac.jp/crid/1360298345423382912,https://doi.org/10.5962/p.215179