CATALOG OF ORIGINAL DESCRIPTIONS: Guembelitriida Arenillas, Arz & Gilbert 2022
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Citation: Guembelitriida Arenillas, Arz & Gilbert 2022taxonomic rank: order
Current identification:
Original Description Diagnosis. Test triserial, biserial, or trochospiral, or mixed triserial-biserial, triserial-trochospiral, or biserial-streptospiral. Microperforate to finely perforate. Wall surface smooth, pore-mounded, rugose, hispid or pustulate. Wall hyaline calcitic Extra details from original publication Superfamilies included. Cassigerinelloidea Bolli, Loeblich & Tappan, 1957; Guembelitrioidea Montanaro- Gallitelli, 1957; Chiloguembelinoidea Reiss, 1963; Globoconusoidea BouDagher-Fadel, 2012.
Justification: Fursenko (1958) joined all planktic foraminifera with bi- and triserial arrangement, at least in the early ontogenetic stage, in the order Heterohelicida, consequently clustering the families Heterohelicidae Cushman, 1927, Guembelitriidae Montanaro-Gallitelli, 1957, Chiloguembelinidae Loeblich & Tappan, 1956, Globoconusidae BouDagher-Fadel, 2012, and Cassigerinellidae Bolli, Loeblich & Tappan, 1957 (see BouDagher-Fadel, 2012, 2015). However, this order also becomes polyphyletic if the guembelitriids and their Cenozoic descendants (chiloguembelinids, globoconusids and cassigerinellids) are included. It is therefore necessary to separate these families in a new order, which we have called Guembelitriida, because the genus Guembelitria, and the family Guembelitriidae Montanaro-Gallitelli, 1957, are the ones that best characterize it. Consequently, it is also necessary to emend the order Heterohelicida. Guembelitriida n. ord. includes 4 families: Cassigerinellidae, Chiloguembelinidae, Globoconusidae and Guembelitriidae (Fig. 2), which we have also elevated to the category of superfamily.
References:
Arenillas, I., Arz, J. A. & Gilabert, V. (2022). An updated suprageneric classification of planktic foraminifera after growing evidence of multiple benthic-planktic transitions. Spanish Journal of Palaeontology. 37(1): 1-34. gsO
Fursenko, A. V. (1958). Osnovnye etapy razvitiya fauny foraminifer v geologicheskom proshlom [The major stages of development of foraminiferal faunas in the geological past]. Trudy Instituta Geologischeskikh Nauk, Akademiia Nauk Belorrusskoi SSR, Minsk. 1: 10-29. gs
Missing or ambiguous references: ;
Guembelitriida compiled by the pforams@mikrotax project teamviewed: 10-12-2024
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