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Florilus
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Rotalina
Superfamily:
Cassidulinacea
Family:
Nonionidae
Subfamily:
Nonioninae
Formal Genus Name and Reference:
Florilus de MONTFORT, 1808, *1305, p. 134. (nom. subst. pro Nautilus asterizans FICHTEL & MOLL, 1798, *716, p. 37; OD]
Type Species:
Nonionina D'ORBIGNY, 1826, *1391, p. 293 (type, Nautilus asterizans FICHTEL & MOLL, 1798, *716, p. 37, SD PARKER & JONES, 1863, *1417f, p. 433); Pseudononion ASANO, 1936, *47, p. 347 (type, P. japonicum); Aura KHALlLOV, 1958, ·1038, p. 6 (type, A. transversa)
Images
(Click to enlarge in a new window)
Fig. 612,4. *F. asterizans (FICHTEL &: MOLL), Rec., Eu.(Italy); 4a,b, side, edge views, X48 (*2117). -- Fig. 612,5. F. japonieus (ASANO), Plio., Japan; 5a-e, opp. sides and edge view, X71 (*2117). -- Fig. 612,6. F. eostiferus (CUSHMAN), Mio., USA(Calif.); 6a,b, side, edge views, X48 (*2117). -- Fig. 612,7. F. transversus (KHALlLOV), U.Eoc., USSR(Azerbaidzhan); 7a-e, opp. sides and edge view of holotype,. X30 (*1038)
Synonyms
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
Paleoc.
Beginning International Stage:
Danian
Fraction Up In Beginning Stage:
0
Beginning Date:
66.04
Ending Stage in Treatise Usage:
Eoc.
Ending International Stage:
Priabonian
Fraction Up In Ending Stage:
100
Ending Date:
33.9
Description
Test free, planispiral but may be asymmetrical, involute, but with broad, low chambers increasing rapidly in breadth and thickness resulting in flaring test, peripheral margin rounded to angled, umbilical region slightly depressed, filled with granular skeletal material which may extend slightly along sutures; wall calcareous, finely perforate, granular in structure, single-layered; aperture a narrow, interiomarginal, equatorial opening. [Differs from Nonion in the Raring test, due to the numerous broad low chambers, and from Nonionella in lacking the single umbilical chamber extension.]
References
Montfort, Denys de, 1808, Conchyliologie systématique et classification methodique des coquilles: v. 1, 1xxxvii+409 p.
Museum or Author Information
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Rotalina
Superfamily:
Cassidulinacea
Family:
Nonionidae
Subfamily:
Nonioninae
Formal Genus Name and Reference:
Florilus de MONTFORT, 1808, *1305, p. 134. (nom. subst. pro Nautilus asterizans FICHTEL & MOLL, 1798, *716, p. 37; OD]
Type Species:
Nonionina D'ORBIGNY, 1826, *1391, p. 293 (type, Nautilus asterizans FICHTEL & MOLL, 1798, *716, p. 37, SD PARKER & JONES, 1863, *1417f, p. 433); Pseudononion ASANO, 1936, *47, p. 347 (type, P. japonicum); Aura KHALlLOV, 1958, ·1038, p. 6 (type, A. transversa)
Images
(Click to enlarge in a new window)
Fig. 612,4. *F. asterizans (FICHTEL &: MOLL), Rec., Eu.(Italy); 4a,b, side, edge views, X48 (*2117). -- Fig. 612,5. F. japonieus (ASANO), Plio., Japan; 5a-e, opp. sides and edge view, X71 (*2117). -- Fig. 612,6. F. eostiferus (CUSHMAN), Mio., USA(Calif.); 6a,b, side, edge views, X48 (*2117). -- Fig. 612,7. F. transversus (KHALlLOV), U.Eoc., USSR(Azerbaidzhan); 7a-e, opp. sides and edge view of holotype,. X30 (*1038)
Synonyms
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
Paleoc.
Beginning International Stage:
Danian
Fraction Up In Beginning Stage:
0
Beginning Date:
66.04
Ending Stage in Treatise Usage:
Eoc.
Ending International Stage:
Priabonian
Fraction Up In Ending Stage:
100
Ending Date:
33.9
Description
Test free, planispiral but may be asymmetrical, involute, but with broad, low chambers increasing rapidly in breadth and thickness resulting in flaring test, peripheral margin rounded to angled, umbilical region slightly depressed, filled with granular skeletal material which may extend slightly along sutures; wall calcareous, finely perforate, granular in structure, single-layered; aperture a narrow, interiomarginal, equatorial opening. [Differs from Nonion in the Raring test, due to the numerous broad low chambers, and from Nonionella in lacking the single umbilical chamber extension.]
References
Montfort, Denys de, 1808, Conchyliologie systématique et classification methodique des coquilles: v. 1, 1xxxvii+409 p.