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Current identification/main database link: Trilobatus trilobus (Reuss 1850)
Sehr gemein im Tegel von Felsö-Lapugy in Siebenbürgen, nicht selten im Salzthone und Steinsalze von Wieliczka in Galizien. Ueberdiess im Tegel von Baden, Möllersllorf und Grinzing bei Wien, im Leithakalke von Wurzing in Steiernmark und von Steinabrunn in Oesterreich und im Sande von Rohitsch in Steiermark. Kommt endlich auch häufig im gelben Subapenninensande von Castell-arquato bei Parma vor.
Original Description
Size:
Extra details from original publication
Description of Neotype (from Rogl 2012)
Umbilical side with three chambers visible, rapidly increasing in size with distinct incised sutures, umbilicus flat, aperture a low arch with a small lip; lateral view broadly rounded; spiral side: three chambers in the final and four in the penultimate whorl, with indistinct chambers in the innermost part, low arched secondary apertures along the sutures. Wall texture is coarsely cancellate with polygonal ridges around fun- nel shaped pores (Pl. 3, Fig. 1). According to the presence of secondary apertures along the spiral sutures G. triloba belongs to the genus Globigerinoides.
Dimensions: maximum length 0.49 mm; maximum width 0.35 mm.
Editors' Notes
Reuss, A. E. (1850). Neue Foraminiferen aus den Schichten des Osterreichischen Tertiarbeckens. Denkschriften der kaiserlichen Akademie der Wissenschaften zu Wien. 1: 365-390. gs O Rögl, F. (2012). Globigerina triloba Reuss 1850 – Designation of a neotype. Annalen des Naturhistorischen Museums in Wien. 114: 179-191. gs Spezzaferri, S., Olsson, R. K. & Hemleben, C. (2018c). Taxonomy, biostratigraphy, and phylogeny of Oligocene to Lower Miocene Globigerinoides and Trilobatus. In, Wade, B. S., Olsson, R. K., Pearson, P. N., Huber, B. T. & Berggren, W. A. (eds) Atlas of Oligocene Planktonic Foraminifera. Cushman Foundation for Foraminiferal Research, Special Publication . 46(Chap 9): 269-306. gs References:
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Globigerina triloba compiled by the pforams@mikrotax project team viewed: 30-11-2023
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