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Dohaia
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Textulariina
Superfamily:
Lituolacea
Family:
Dicyclinidae
Subfamily:
Dicyclininae
Formal Genus Name and Reference:
Dohaia HENSON, 1948, *902, p. 101
Type Species:
D. planata, OD
Images
(Click to enlarge in a new window)
Fig. 212,1,2. •D. plallata, Qatar Penin., Arabia; 1, slightly oblique subequat. sec., X30; 2, axial sec. of paratype, X58 (*2II5).
Synonyms
Geographic Distribution
SW.Asia.
Age Range
Beginning Stage in Treatise Usage:
U. Cret.(Cenoman.)
Beginning International Stage:
Cenomanian
Fraction Up In Beginning Stage:
0
Beginning Date:
100.5
Ending Stage in Treatise Usage:
U.Cret.(Turon.)
Ending International Stage:
Turonian
Fraction Up In Ending Stage:
100
Ending Date:
89.39
Description
Test discoidal, early stage planispiral and evolute, later chambers cyclical, chambers undivided in median plane but outer portions of chambers have transverse subepidermal partitions, forming rectangular subepidermal incomplete chamberlets, wall calcareous, agglutinated; apertures numerous, in 2 rows, one at each side of median plane. [Differs from Qataria in the chambedets alternating in position from one annulus to the next, whereas they are in radial alignment in Qataria.]
References
Henson, F. R. S., 1948, Foraminifera of the genus Trocholina in the Middle East: Ann. \& Mag. Nat. History, ser. 11, v. 14 (1947), p. 445-459, pl. 11-13.-(901) 1948, New Trochamminidae and Verneuilinidae from the Middle East: Same, ser. 11, v. 14 (1947), p. 605-630, pl. 14-18.-(902) 1948, Larger imperforate Foraminifera of southwestern Asia, Families Lituolidae, Orbitolinidae and Meandropsinidae: British Museum (Nat. History), Mon., p. 1-127, pl. 1-16, fig. 1-16.——(903) 1950, Middle eastern Tertiary Peneroplidae (Foraminifera), with remarks on the phylogeny and taxonomy of the family: $70 \mathrm{p} ., 10 \mathrm{pl} ., 3$ text-fig., West Yorkshire Printing Co. (Wakefield, England).
Museum or Author Information
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Textulariina
Superfamily:
Lituolacea
Family:
Dicyclinidae
Subfamily:
Dicyclininae
Formal Genus Name and Reference:
Dohaia HENSON, 1948, *902, p. 101
Type Species:
D. planata, OD
Images
(Click to enlarge in a new window)
Fig. 212,1,2. •D. plallata, Qatar Penin., Arabia; 1, slightly oblique subequat. sec., X30; 2, axial sec. of paratype, X58 (*2II5).
Synonyms
Geographic Distribution
SW.Asia.
Age Range
Beginning Stage in Treatise Usage:
U. Cret.(Cenoman.)
Beginning International Stage:
Cenomanian
Fraction Up In Beginning Stage:
0
Beginning Date:
100.5
Ending Stage in Treatise Usage:
U.Cret.(Turon.)
Ending International Stage:
Turonian
Fraction Up In Ending Stage:
100
Ending Date:
89.39
Description
Test discoidal, early stage planispiral and evolute, later chambers cyclical, chambers undivided in median plane but outer portions of chambers have transverse subepidermal partitions, forming rectangular subepidermal incomplete chamberlets, wall calcareous, agglutinated; apertures numerous, in 2 rows, one at each side of median plane. [Differs from Qataria in the chambedets alternating in position from one annulus to the next, whereas they are in radial alignment in Qataria.]
References
Henson, F. R. S., 1948, Foraminifera of the genus Trocholina in the Middle East: Ann. \& Mag. Nat. History, ser. 11, v. 14 (1947), p. 445-459, pl. 11-13.-(901) 1948, New Trochamminidae and Verneuilinidae from the Middle East: Same, ser. 11, v. 14 (1947), p. 605-630, pl. 14-18.-(902) 1948, Larger imperforate Foraminifera of southwestern Asia, Families Lituolidae, Orbitolinidae and Meandropsinidae: British Museum (Nat. History), Mon., p. 1-127, pl. 1-16, fig. 1-16.——(903) 1950, Middle eastern Tertiary Peneroplidae (Foraminifera), with remarks on the phylogeny and taxonomy of the family: $70 \mathrm{p} ., 10 \mathrm{pl} ., 3$ text-fig., West Yorkshire Printing Co. (Wakefield, England).