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Species Globigerinatheka luterbacheri Bolli 1972 | ||||||
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Diagnosis / Definition: | ||||||
Pearson et al. (2006): DESCRIPTION. Type of wall: Spinose, cancellate, rather thick and coarsely perforate; pore diameter > 0.05 mm. Test morphology: Test nearly globular, sometimes elongate, 2-3 whorls coiled in low trochospire, initially tight then looser, becoming streptospiral in the outer whorl; chambers inflated, increasing very slowly in the first whorl, then increasing moderately and gradually in size as added, chambers in last whorl much larger with the last two tending to hemispherical, last chamber may be smaller than penultimate one; sutures depressed, almost incised, except in the first whorl; numerous secondary apestures along the depressed sutures mainly at the intersection with the last chambers, frequently covered by more or less inflated bullae of variable size. Size: According to Toumarkine (1983), G. luterbacheri may reach a very large size, up to 0.85 mm. Maxi~llum diameter of holotype 0.55 mm; figured paratypes, 0.4 to 0.6 mm. |
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Discussion / Comments: | ||||||
Pearson et al. (2006): DISTINGUISHING FEATURES.- The more ovoid, somewhat more irregular test and the rather incised sutures distinguish G. luterbacheri from the other large globigerinathekids. Globigerinatheka luterbacheri differs from G. kugleri in its more robust wall and more compact test of larger size, more incised sutures and more numerous secondary apertures and from G. mexicana and G. barri in the more robust wall, the longer spire, more numerous secondary apertures, more incised sutures, and distinctly larger size. DISCUSSION.- As already noted by Bolli (1972), G. luterbacheri resembles G. euganea in general shape and maximum test size of about 0.6 mm. However, G. luterbacheri differs from G. euganea in often having more deeply incised sutures between the last chambers, overall larger and less numerous secondary apertures, and apparently a coarser surface. Bullae that may cover only part of an aperture are rare in G. euganea. PHYLOGENETIC RELATIONSHIPS.- Globigerinatheka luterbacheri may have evolved from G. euganea. GEOGRAPHIC DISTRIBUTION.- According to Toumarkine (1983), G. luterhacheri is common in mid latitudes off the South Atlantic and northern Tethys, but is very rare or absent in tropical regions. STABLE ISOTOPE PALEOBIOLOGY .- No data available. |
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Systematics: | ||||||
35 Ordo Foraminiferida Superfamilia Globigerinaceae Familia Globigerinidae Genus Globigerinatheka Species Globigerinatheka luterbacheri |
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Synonym list: | ||||||
Pearson et al. (2006): 1959 Globigerinoita index Finlay. - Mallory : pl. 53; fig. 3a, b - 4a, b [fide Bolli, 1972]; [Not Finlay, 1939]
1963 Globigerinatheka barri Brönnimann. - Eckert : pl. 7; fig. 4a-c [upper Eocene, Schimberg Section, Suisse
Alps]
1963 Globigerapsis semiinvoluta Keijzer. - Eckert : p.1063 pl. 7; fig. 1a-3c [upper Eocene, Schimberg Section, Swiss
Alps]; [Not Keijzer, 1 945]
1972 Globigerinatheka subconglobata luterbacheri Bolli. - Bolli : p.132 pl. 7; fig. 13 (holotype), fig. 1-12, 14-17 (paratypes) [upper Eocene Globorotalia cerroazulensis
cocoaensis/Globigerinatheka semiinvoluta Zone,
Globigerina-marls, Niederhorn-Pilatus nappe, Swiss
Alps]
1975 Globigerinatheka subconglobata luterbacheri Bolli. - Toumarkine : pl. 4; fig. 19-20 [upper
Eocene Globigerinatheka semiinvoluta Zone, DSDP Site
305, Shatsky Rise, northwest Pacific Ocean]
1978 Globigerinatheka subconglobata luterbacheri Bolli. - Toumarkine : pl. 3, fig. 14 [upper Eocene Globigerinatheka semiinvoluta Zone, DSDP Site 363, South Atlantic Ocean];
pl. 4, fig. 1 [upper Eocene Globorotalia cerroazulensis s.l. to Globigerinatheka
semiinvoluta Zone, DSDP Site 360, South Atlantic Ocean];
pl. 4, figs. 2-4 [middle Eocene Trzmcorotuloides rohri Zone, DSDP Site 363, South Atlantic Ocean]
1983 Globigerinatheka subconglobata luterbacheri Bolli. - Toumarkine : pl. 19; fig. 1-3 [upper Eocene Globigerinatheka semiinvoluta Zone, DSDP Site 522, South Atlantic Ocean];
pl. 19, fig. 4 [middle Eocene Truncorotaloides rohri Zone, DSDP Site 363, South Atlantic Ocean]; pl. 19, figs. 5-8 [from Bolli, 1972];
pl. 19, figs. 9-11 [upper Eocene, Looegg, Eckert, 1963, Swiss Alps];
pl. 19, figs. 12-13 [upper Eocene Globigerinatheka
semiinvoluta Zone, DSDP Site 305, Shatsky Rise, northwest Pacific Ocean]
? 1983 Globigerinatheka luterbacheri Bolli. - Pujol : pl. 7, fig. 2-3 [middle Eocene Zone P1 1-13, DSDP Hole 516F, Rio Grande Rise, South Atlantic Ocean];
pl. 8, fig. 10 [upper Eocene Zone P1 5-16, DSDP Hole 516F, Rio Grande Rise, South Atlantic Ocean]
1983 Globigerinatheka luterbacheri Bolli. - Pujol : pl. 8; fig. 11 [upper Eocene Zone P15-16, DSDP Hole 516F, Rio
Grande Rise, South Atlantic Ocean]
1985 Globigerinatheka barri Brönnimann. - Snyder & Waters : pl. 5; fig. 2 [DSDP
Hole 549A, Goban Spur, eastern North Atlantic]; [Not
Brönnimann, 1952]
1988 Globigerinatheka luterbacheri Bolli. - Coccioni et al. : pl. 1; fig. 13 [upper Eocene Zone P16, Massignano
Section, Marche, central Italy]
1991 Globigerinatheka luterbacheri Bolli. - Nocchi et al. : pl. 4; fig. 29 [upper Eocene Zone P15, ODP Hole
702A, South Atlantic Ocean]
? 1992 Globigerinatheka index Finlay. - Berggren : pl. 3; fig. 9 [middle Eocene, ODP Hole 748B, Kerguelen Plateau,
Indian Ocean]; [Not Finlay, 1939]
1994 Globigerinatheka index index Finlay. - Nishi & Chaproniere : pl. 2; fig. 22-24 [upper Eocene Zones
P15-16, DSDP Hole 841B, south-west Pacific Ocean];
[Not Finlay, 1939]
1994 Globigerinatheka subconglobata luterbacheri Bolli. - Nishi & Chaproniere : pl. 2; fig. 1-3 [upper Eocene, DSDP Hole 841B, south-west
Pacific Ocean]
2006 Globigerinatheka luterbacheri Bolli. - Pearson et al. : p.182 pl. 7.4; fig. 9, 10, 13-16 (Pl. 7.4, Fig. 9: reillustration of holotype of
Globigerinatheka luterbacheri Bolli)
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Was used in synonym list of: | ||||||
References: | ||||||
Mallory,V.S. (1959): Eckert,H.R.. (1963): Bolli,H.M. (1972): Toumarkine,M. (1975): Toumarkine,M. (1978): Toumarkine,M. (1983): Pujol,C. (1983): Snyder,S.W. and Waters,V.J. (1985): Coccioni,R.; Monaco,P..; Monechi,S..; Nocchi,M. and Parisi,G.. (1988): Nocchi,M.; Amici,E. and Premoli Silva,I. (1991): Berggren,W.A. (1992): Nishi,H.. and Chaproniere,G.C.H. (1994): Pearson,P.N.; Olsson,R.K.; Hemleben,C.; Huber,B.T. and Berggren,W.A. (2006): |
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Anonymous: Unedited TaxonConcept data | ||||||
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