Cornum Schwartzapfel & Holdsworth 1996

Cornum Schwartzapfel & Holdsworth, 1996 Cornum Schwartzapfel & Holdsworth, 1996: 230. TYPE SPECIES. — Cornum mittereri Schwartzapfel & Holdsworth, 1996 (Schwartzapfel & Holdsworth 1996: 246, pl. 36, fig. 1-5, 10, 15-19). AGE AND LOCATION OF TYPE MATERIAL. — Middle Chesterian/ lower Namurian (lower Carboniferous), Delaware Creek Member, “Caney” Shale, Southern Arbuckle Mountains, Oklahoma, USA. TAXON CODE. — 278. STATUS. — Valid. DIAGNOSIS. — “Test as with subfamily; imperforate, segmented, asymmetrically conical (rarely symmetrically conical) in shape; subtriangular to rhamphoid-like in outline. Shell flattened, compressed parallel to the plane of bilateral symmetry. Shell half open with lateral slit developed along convex side of shell (in lateral view). Lateral slit continuous with basal aperture. Lamellar wing, situated above basal aperture, originating along convex side of shell between open portion of shell wall. Wing variable in size and shape. Columellae(?) present; not observed in material studied.” (Schwartzapfel & Holdsworth 1996: 230).
Published as part of Noble, Paula, Aitchison, Jonathan C., Danelian, Taniel, Dumitrica, Paulian, Maletz, Jörg, Suzuki, Noritoshi, Cuvelier, Jessie, Caridroit, Martial & O'Dogherty, Luis, 2017, Taxonomy of Paleozoic radiolarian genera, pp. 419-502 in Geodiversitas 39 (3) on page 484, DOI: 10.5252/g2017n3a4, http://zenodo.org/record/5206585
{"references":["SCHWARTZAPFEL J. A. & HOLDSWORTH B. K. 1996. - Upper Devonian and Mississippian radiolarian zonation and biostratigraphy of the Woodford, Sycamore, Caney and Goddard Formations, Oklahoma. Cushman Foundation for Foraminiferal Research, Special Publication 33: 1 - 275."]}