. Bulletin of the British Museum (Natural History), Geology. 'ALAEOZOIC ANOMALODESMATA 89. ig. 43 Bowlandia rhombea (Phillips). Figs 43a-e, Lower Carboniferous, Visean, Bolland, Yorkshire; Fig. 43a, BM L3480, Gilbertson Collection, lectotype, side view of right valve; Figs 43b-d, BM 97182, similar to the lectotype; Fig. 43b, right side; Fig. 43c, dorsal view; Fig. 43d, posterior view; all xl-5; Fig. 43e, PL5010, probable paralectotype, Gilbertson Collection (no. 97a), view of left side; x2. Fig. 43f, Lower Carboniferous, Visean, Poolvash, Isle of Man; BM L47456, large elongate specimen, left s


. Bulletin of the British Museum (Natural History), Geology. 'ALAEOZOIC ANOMALODESMATA 89. ig. 43 Bowlandia rhombea (Phillips). Figs 43a-e, Lower Carboniferous, Visean, Bolland, Yorkshire; Fig. 43a, BM L3480, Gilbertson Collection, lectotype, side view of right valve; Figs 43b-d, BM 97182, similar to the lectotype; Fig. 43b, right side; Fig. 43c, dorsal view; Fig. 43d, posterior view; all xl-5; Fig. 43e, PL5010, probable paralectotype, Gilbertson Collection (no. 97a), view of left side; x2. Fig. 43f, Lower Carboniferous, Visean, Poolvash, Isle of Man; BM L47456, large elongate specimen, left side of steinkern; xO-67. Figs 43g-i, Lower Carboniferous, Tournaisian, Tournai, Belgium; BM PL5011; Fig. 43g, anterior view; Fig. 43h, dorsal view; Fig. 43i, left valve; c. x2. gured by Phillips, from the Carboniferous Limestone, 'isean, at Bolland, Yorkshire; Gilbertson collection. aralectotype. BM 97182, from the same horizon and reality as the lectotype. Three further specimens from olland in the Gilbertson Collection (no. 97a) are listed 5 Cypricardia glabrata Phillips and therefore are unlikely > be syntypes. (BM L24821-3, Gilbertson Catalogue no. 7, are three syntypes of the true Cypricardinia glabrata. hey are clearly not the same as those of no. 97a; although etails of the hinge are not shown, they may belong to leurophorella). >THER material. We refer the following specimens to B. wmbea: [ind Collection: BM L45931^1, Castleton, Derbyshire; BM L45935-7, Elbolten, Yorkshire; BM L47451, Wetton Hill, Leek, Staffordshire; BM L47452-4 and BM L47456, Poolvash, Isle of Man. Roscoe Collection: BM L43647, Wetton Hill, Leek, Staffordshire; BM L43616-26 and BM L43648, Narrowdale, Hartington, Derbyshire. Butler Collection: BM L8175, Wetton Hill, Leek, Staffordshire. Bather Collection: one specimen, Visean, D2, Peakhill Farm, Mam Tor, Derbyshire. Other possible synonyms. De Koninck (1885) figured many specimens from the Carboniferous of Belgium under many new specific names. A


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