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Drulanta bella

Protozoa - Nassellaria - Hsuidae

Discussion

Original description: Test as with genus, small, subcylindrical, with six to seven post abdominal chambers. Cephalis conical without horn. Thorax and subsequent chambers trapezoidal or rectangular in out line, increasing slightly in width as added. Earlier chambers sparsely perforate, covered with layer of microgranular silica. Post-abdominal chambers with thin to medium costae. About eight to ten costae visible laterally.

Etymology: Bellus-a-um (Latin, adj.) lovely.

Taxonomy
Drulanta bella was named by Yeh (1987). Its type specimen is NMNS (000101) and is a 3D body fossil. Its type locality is Suplee-Izee area, OR-589D, which is in a Toarcian marine mudstone/limestone in the Snowshoe Formation of Oregon.

Sister species lacking formal opinion data
D. sporta

Synonymy list
YearName and author
1987Drulanta bella Yeh p. 71 figs. Pl. 27, figs. 5, 13, 15, 17, 26

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RankNameAuthor
—Life
—Eukaryota()
classProtozoaGoldfuss 1820
subphylumSarcodinaSchmarda 1871
classReticulareaLankester 1885
subclassRadiolaria(Müller 1858)
RankNameAuthor
superorderPolycystina(Ehrenberg 1838)
orderNassellariaEhrenberg 1875
superfamilyArchaeodictyomitraceaPessagno 1976
familyHsuidae
genusDrulantaYao 1982
speciesbella

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

†Drulanta bella Yeh 1987
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: silicap
Environment: marinep
Locomotion: passively mobilep
Life habit: planktonicp
Diet: omnivorep
Created: 2005-01-28 01:13:47
Modified: 2005-01-28 03:13:47
Source: p = phylum
Reference: Kiessling 1999

Age range: Early/Lower Toarcian or 183.00000 to 182.00000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Toarcian183.0 - 182.0USA (Oregon) Drulanta bella (124331 124333 type locality: 124334)