Foraminifera taxon details
original description
Dunbar, C. O.; Skinner, J. W. (1931). New fusulinid genera from the Permian of west Texas. <em>American Journal of Science.</em> 5-22(129): 252-268., available online at https://doi.org/10.2475/ajs.s5-22.129.252 page(s): p. 258 [details] Available for editors [request]
original description
(of Parafusulina (Parafusulina) Dunbar & Skinner, 1931 †) Dunbar, C. O.; Skinner, J. W. (1931). New fusulinid genera from the Permian of west Texas. <em>American Journal of Science.</em> 5-22(129): 252-268., available online at https://doi.org/10.2475/ajs.s5-22.129.252 [details] Available for editors [request]
basis of record
Loeblich, A. R.; Tappan, H. (1987). Foraminiferal Genera and their Classification. Van Nostrand Reinhold Company, New York. 970pp., available online at https://books.google.pt/books?id=n_BqCQAAQBAJ [details] Available for editors [request]
From editor or global species database
Diagnosis Test elongate, up to 65 mm in length, fusiform to subcylindrical, tapering slightly to the bluntly rounded poles, proloculus large, followed by seven to nine gradually enlarging volutions, coiling axis straight to irregular, septa numerous, intensely and regularly fluted, folds of adjacent septa touching and forming numerous chamberlets above the floor of the chamber, and producing cuniculi against the floor; wall thin in relation to the size of the test, of tectum and alveolar keriotheca, tunnel low and well defined, no chomata, but with heavy axial fillings. Permian: USA: Texas, Nevada, Arizona, California, Washington; Mexico; Venezuela; Japan; S. China; Mongolia. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database
| |