Bienvillia Clark, 1924

Taylor, John F., Loch, James D. & Repetski, John E., 2024, Taxonomy and stratigraphic distribution of Lotagnostus (Agnostida: Agnostidae) and associated trilobites and conodonts in the Upper Cambrian (Furongian) of Laurentia, Zootaxa 5422 (1), pp. 1-66 : 25

Bienvillia Clark, 1924

Type species. Dikelocephalus? corax Billings, 1865 , by original designation, from the Lévis Formation , Quebec, Canada .

Emended diagnosis. Olenine with moderately inflated glabella with well impressed S1 and S2 lateral glabellar furrows, S3 and S4 faintly impressed to absent, S3 not reaching axial furrow, and S4 directed anteriorly adaxially; occipital node present; preglabellar field convex and declined from axial furrow, very short anterior border; anterior branch of facial suture convergent anterior to palpebral lobe. Modified from Rasetti (1944), C. Poulsen (in Harrington (1959), and Ludvigsen and Tuffnell (1983).

Other species. Bienvillia angelini ( Linnarsson, 1869) ; B. shinetonensis ( Lake, 1913) ; B. rectifrons ( Harrington, 1938) ; B. tetragonalis ( Harrington, 1938) ; B.? australis ( Rusconi, 1951a); B. terranovica Rasetti, 1954 ; B. parchaensis ( Harrington & Leanza, 1957) ; B. stikta Fortey, 1974 ; B. grandis Robison & Pantoja-Alor, 1968 ; B. cf. B. corax Ludvigsen et al., 1989 ; B. eurekensis n. sp.