Conchyliolithus Arcites cancellatus Martin, 1809 [unavailable]
Original source
Martin (1809): unpaginated text, pl. 44 fig. 7; originally as “ Conchyliolithus Arcites (cancellatus)”.
Type stratum and age
Martin did not indicate a horizon; Sowerby (1824) gave it as “Derbyshire Limestone”; Carboniferous Limestone, Mississippian, Carboniferous.
Type locality
No specific locality was mentioned by Martin; Sowerby (1824) referred to it as “ Derbyshire Limestone ”, United Kingdom.
Type material
Stored at the Natural History Museum, London with the coll. no. NHMUK PI OR 43184 (figured in Martin 1809: pl. 44 fig. 7; Sowerby 1824: pl. 473 fig. 2 and Hind 1897: pl. 10 fig. 7). Sowerby reproduced the specimen as a mirror image.
Remarks
Martin (1809) did not apply the principles of binomial nomenclature and was placed on the Official Index of Rejected and Invalid Works in Zoological Nomenclature by Opinion 231 (ICZN 1954). Sowerby (1824) referred to Martin’s figure, described and illustrated it, and made the name available (as Arca cancellata). Hind (1897) classified the species in Parallelodon.
Publication Date: 2026-06-04