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Subspecies Morozovella formosa gracilis Bolli 1957 | ||||||
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Discussion / Comments: | ||||||
Toumarkine & Luterbacher (1985): The last whorl consists of 5-6 chambers which increase in size rapidly but regularily in size. the periphery has a distinmct 'keel' throughout the entire last whorl. The sutures on the spiral side are strongly curved and frequently beaded. The umbilicus is open and deep, the umbilical shoulders of the chambers are rounded and without bundles of spines. M. subbotinae has less chambers in the last whorl and these increase more rapidly in size. There is only a light 'keel'. M.lensiformis is more tightly coiled. |
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Systematics: | ||||||
1 Superregnum Eukaryota Regnum Protoctista Phylum Ciliophora Subphylum Postciliodesmatophora Ordo Globigerinida Superfamilia Globorotaliaceae Superfamilia Nonionacea Familia Truncorotaloididae Genus Morozovella Species Morozovella formosa Subspecies Morozovella formosa gracilis 15 Classis Foraminifera Genus Morozovella Subspecies Morozovella formosa gracilis |
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Synonym list: | ||||||
Toumarkine & Luterbacher (1985): 1957 Globorotalia formosa gracilis Bolli. - Bolli : p.75 pl 18 figs 4-6 (type reference)
1985 Morozovella formosa gracilis Bolli. - Toumarkine & Luterbacher : p.113 fig 15.12
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Was used in synonym list of: | ||||||
Stratigraphy - absolute ages: | ||||||
FAD: 54.7 ± 0 [Ma], Berggren et al. (1995) ODP Leg 80 Site 550 |
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References: | ||||||
Bolli,H.M. (1957): Toumarkine,M. and Luterbacher,H.P. (1985): Berggren,W.A.; Kent,D.V.; Swisher,C.C. and Aubry,M.P. (1995): |
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Anonymous: Unedited TaxonConcept data | ||||||
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Taxon relations
Ranking (experimental) |