NB This site is under active development, current content in the main database is primarily from Bolli et al 1994, Hayward et al. 2012, Holbourn et al. 2013, Holbourn and Kaminski 1997, Alegret & Thomas 2001, and Katz et al. 2003. It is intended to expand and develop this to provide rather comprehensive coverage of Mesozoic and Cenozoic deep-sea benthic foraminifera.
Asterigerina crassaformis Cushman and Siegfus, 1935, p. 94, pl. 14, fig. 10. [according to Holbourn et al. 2013]
Nuttallides subtruempyi Finlay, 1939, p. 521. [according to Holbourn et al. 2013]
Eponides bronnimanni Cushman and Renz, 1946, p. 45, pl. 7, fig. 24. [according to Holbourn et al. 2013]
Nuttallides truempyi (Nuttall). –Tjalsma and Lohmann, 1983, p. 17, pl. 6, fig. 4; pl. 17, figs. 4–5; pl. 21, figs. 1–4. –van Morkhoven et al., 1986, p. 288, pl. 96. –Loeblich and Tappan, 1987, p. 603, pl. 669, figs. 24–27. –Thomas, 1990, p. 590, pl. 3, figs. 1–2. –Bolli et al., 1994, p. 370, figs. 58.2–3, 88.13. –Nomura, 1995, p. 276, pl. 3, fig. 1. –Ortiz and Thomas, 2006, p. 123, pl. 9, figs. 7–8. [according to Holbourn et al. 2013]
Taxonomic discussion: Type species of the genus Nuttallides Finlay, 1939. Nuttallides truempyi (Nuttall) exhibits considerable variation in the shape of the test and the size of the umbilical boss. Beckmann (1954) distinguished two main morphotypes: a lenticular form with eight to thirteen chambers in the last whorl and a large, transparent umbilical mass, and a near planoconvex form with six to nine chambers in the last whorl and a smaller umbilical mass. Tjalsma and Lohmann (1983) did not detect any bathymetric trend in the distribution of these morphotypes. Mackensen and Berggren (1992) reported forms transitional between Nuttallides truempyi and Nuttallides umbonifera (Cushman) in Upper Eocene sediments from the southern Indian Ocean. Van Morkhoven et al. (1986) tentatively synonymized Asterigerina crassaformis Cushman and Siegfus with Nuttallides truempyi (Nuttall). Ortiz and Thomas (2006) examined the holotype and paratypes of Asterigerina crassaformis, and considered them to be conspecific with the planoconvex morphotype of Nuttallides truempyi. [Holbourn et al. 2013]
NB These concise distinguishing features statements are used in the tables of daughter-taxa to act as quick summaries of the differences between e.g. species of one genus. They are being edited as the site is developed and comments on them are especially welcome.
Description
Morphology: Test forms a lenticular trochospiral, slightly lobulate in outline and planoconvex to unequally biconvex in cross-section, with an acute, keeled, imperforate periphery. The involute umbilical side exhibits a clear, imperforate, umbilical boss, and is more strongly convex than the evolute spiral side. The crescentic chambers, arranged in four to five whorls, increase slowly in size, and are all visible on the spiral side. The six to thirteen chambers in the last whorl are separated by narrow, flush, tangential sutures, curving into the peripheral keel on the spiral side, and by flush or slightly depressed, sinuous sutures on the umbilical side. Chamber walls are calcareous, finely perforate, and smooth. The primary aperture is an interiomarginal slit extending from the umbilical boss nearly to the periphery. [Holbourn et al. 2013] Wall composition:calcareous-hyaline
Search data:
TEST: biconvex, trochospiral, SURFACE: keel, APERTURE: arch, interiomarginal,
Final whorl chambers: 6->13
The morphological data given here can be used on the advanced search page. See also these notes
Biogeography and Palaeobiology
Geographic distributionWorldwide. Bathymetry remarksMiddle bathyal to abyssal (van Morkhoven et al., 1986). Upper depth limit about 500–600 meters according to Berggren and Auber t (1983) . [Holbourn et al. 2013]
Summary of depth range: middle bathyal -> lower abyssal (i.e. 600 -> 10000 m)
Biostratigraphic distribution
Geological Range: Notes: Late Cretaceous (Campanian) to Late Eocene (Priabonian). Berggren and Aubert (1983) considered the last occurrence of Nuttallides truempyi to indicate the Eocene–Oligocene boundary in deep-sea sediments. Tjalsma and Lohmann (1983) reported the last occurrence of this species as diachronous, ranging from late Middle Eocene at sites of less than 2000–2500 meters to latest Eocene at sites over 3000 meters. Berggren and Miller (1989) and Mackensen and Berggren (1992) put the last common occurrence of Nuttallides truempyi at the Middle–Late Eocene boundary and its last occurrence at the Eocene–Oligocene boundary. Last occurrence (top): within Priabonian Stage (33.89-37.75Ma, top in Priabonian stage). First occurrence (base): within Campanian Stage (72.17-83.65Ma, base in Campanian stage).
Plot of occurrence data: NB The ranges given for genera and higher taxa are the total ranges of species included in that taxon in this database - so the true total range of the taxon will usually be longer
Range-bar - range as quoted above, pink interval top occurs in, green interval base occurs in.
Triangles indicate an event for which a precise placement has been suggested. Parent: Nuttallides
Primary source for this page: Holbourn et al. 2013
References:
Alegret, L. & Thomas, E. (2001). Upper Cretaceous and lower Paleogene benthic foraminifera from northeastern Mexico. Micropaleontology. 47(4): 269-316. gs
Beckmann, J. P. (1954). Die Foraminiferen der Oceanic Formation (Eocaen–Oligocaen) von Barbados, Kl. Antillen. Eclogae Geologicae Helvetiae. 46 [1953]: 301-412. gs
Berggren, W. A. & Aubert, J. (1983). Paleogene benthonic foraminiferal biostratigraphy and bathymetry of the Central Coast Ranges of California. In, Brabb, E. E. (ed.) Studies in Tertiary Stratigraphy of the California Coast Ranges. 1213: 4-21. gs
Berggren, W. A. & Miller, K. G. (1989). Cenozoic bathyal and abyssal calcareous benthic foraminiferal zonations. Micropaleontology. 35(4): 308-320. gs
Bolli, H. M., Beckmann, J. P. & Saunders, J. B. (1994). Benthic Foraminiferal Biostratigraphy of the South Caribbean Region. Cambridge University Press, Cambridge. 1-408. gs
Cushman, J. A. & Siegfus, S. S. (1935). New species of foraminifera from the Kreyenhagen Shale of Fresno County, California. Contributions from the Cushman Laboratory for Foraminiferal Research. 11(4): 90-95. gs
Finlay, H. J. (1939a). New Zealand foraminifera: key species in stratigraphy – No. 1. Transactions of the Royal Society of New Zealand. 68(4): 504-543. gs
Katz, M. E. & Miller, K. G. (1991). Early Paleogene benthic foraminiferal assemblages and stable isotopes in the Southern Ocean. Proceedings of the Ocean Drilling Program, Scientific Results. 114: 481-512. gs
Loeblich, A. R. Jr & Tappan, H. (1987). Foraminiferal Genera and their Classification. Van Nostrand Reinhold, New York. 1-970. gs
Miller, K. G. & Katz, M. E. (1987a). Eocene benthic foraminiferal biofacies of the New Jersey transect. Initial Reports of the Deep Sea Drilling Project. 95: 267-298. gs
Nomura, R. & Takata, H. (2005). Data report: Paleocene/Eocene benthic foraminifers, ODP Leg 199, Sites 1215, 1220, and 1221, equatorial central Pacific Ocean. Proceedings of the Ocean Drilling Program, Scientific Results. 199: 1-34. gsO
Nuttall, W. L. F. (1930). Eocene foraminifera from Mexico. Journal of Paleontology. 4: 271-293. gs
Ortiz, S. & Thomas, E. (2006). Lower–middle Eocene benthic foraminifera from the Fortuna Section (Betic Cordillera, southeastern Spain). Micropaleontology. 52(2): 97-150. gs
Thomas, E. (1990a). Late Cretaceous through Neogene benthic foraminifers. Proceedings of the Ocean Drilling Program, Scientific Results. 113: 571-594. gs
Tjalsma, R. C. & Lohmann, G. P. (1983). Paleocene–Eocene bathyal and abyssal benthic foraminifera from the Atlantic Ocean. Micropaleontology. 4: 1-90. gs
van Morkhoven, F. P. C. M., et al. (1986). Cenozoic cosmopolitan deep-water benthic foraminifera. Bulletin des Centres de Recherches Exploration-Production Elf-Aquitaine. Memoire 11: 1-421. gs
Widmark, J. G. V. (1997). Deep-sea benthic foraminifera from Cretaceous-Paleogene boundary strata in the South Atlantic- taxonomy and paleoecology. Fossils and Strata. 43: 1-94. gs
Nuttallides truempyi compiled by the bforams@mikrotax project teamviewed: 15-7-2026
Arreguin-Rodriguez et al. 2018 fig. 4.1.jpg
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