The name M. leskei has been traditionally attributed to Des Moulins, but Smith & Wright (2012: p. 653) pointed out ... [details]
A species of Gibbaster with meridoplacous plating in interambulacrum 1; labral plate short and disjunct from sternal ... [details]
A conical species of Pseudananchys with a small, elongate apical disc, faint anterior sulcus at the ambitus and ... [details]
Thin shelled; interporiferous areas of paired ambulacra smooth; periplastronal areas smooth to faintly sandy. Labral ... [details]
Refers to the type region (Norfolk). [details]
Refers to the type loccality (Speeton). [details]
After the type locality. [details]
Belemnitella mucronata Zone, upper Campanian (Holotype and Belemnella lanceolata Zone, lower Maastrichtian (Paratypes) [details]
Upper Cenomanian [details]
Nov. 2012 [details]
Lower Chalk [details]
Harford Bridges (Holotype) and Trimingham (Paratypes), Norfolk, England [details]
Speeton, Yorkshire, England [details]
Joigny, Le Calvaire, France [details]
Sainte Maure, near Troyes, Couvrot, France [details]
Holotype: MNHN Paris, Lambert collection, illustrated in Lambert & Thiéry (1924: pl. 12, fig. 10). [details]
Types not traced by Smith & Wright (2012), but presumed to be in the Gauthier collection (2 specimens) and the ... [details]