TaxonConcept: Ticinella transitoria Longoria 1974 from: Pflaumann, U.Krasheninnikov, V.. (1977): Early Cretaceous planktonic foraminifers from eastern North Atlantic, DSDP Leg 41 . In: Initial Reports of the Deep Sea Drilling Project 41 , Abidjan, Ivory Coast, to Malaga, Spain, February-April 1975 Eds: Gardner, J..Herring, J.. p. 539-564

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Ticinella transitoria Longoria 1974 from: Pflaumann, U.Krasheninnikov, V.. (1977): Early Cretaceous planktonic foraminifers from eastern North Atlantic, DSDP Leg 41 . In: Initial Reports of the Deep Sea Drilling Project 41 , Abidjan, Ivory Coast, to Malaga, Spain, February-April 1975 Eds: Gardner, J..Herring, J.. p. 539-564

Anonymous: Unedited TaxonConcept data

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Species Ticinella transitoria Longoria 1974

Discussion / Comments:

Pflaumann & Krasheninnikov (1977):
Ticinellas with very small accessory apertures, small umbilicus, medium-high spired, and with six to seven chambers forming the last whorl. They differ from T. roberti by the smaller umbilicus, in having long apertural portici, and lower chamber number in the last whorl, from Hedbergella species in the supplementary apertures. These forms are believed to be the most primitive ticinellas. Risch (1969) and Longoria (1974) reported the earliest occurrence of such forms in the uppermost Aptian (Clansayesian). Occurrence: Sections 41-369A-44-3 to 44-1 (Clansayesian to Ticinella roberti Zone). Questionable forms in Section 41-369A-46-3 (Gargasian).

Systematics:

22
Genus Ticinella
Species Ticinella transitoria

Synonym list:

Pflaumann & Krasheninnikov (1977):

1974 Ticinella bejaouaensis transitoria Longoria. - Longoria : p.95 pl. 21; fig. 9-11, 14-16

References:

Longoria,J.F. (1974):
Stratigraphic, morphologic and taxonomic studies of Aptian planktonic Foraminifera . Revista Espanola de MicropaleontologíaNo extraord p. 1-107

Pflaumann,U. and Krasheninnikov,V.. (1977):
Early Cretaceous planktonic foraminifers from eastern North Atlantic, DSDP Leg 41 .
In: Initial Reports of the Deep Sea Drilling Project 41 , Abidjan, Ivory Coast, to Malaga, Spain, February-April 1975 Eds: Gardner, J..Herring, J.. p. 539-564

Anonymous: Unedited TaxonConcept data

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