pforams@mikrotax - Sphaeroidinella dehiscens
WEBSphaeroidinella dehiscens excavata Banner and Blow - phyletically advanced form [according to Kennett & Srinivasan 1983], regarded as a discrete species by Pearson (1995), but not by Brummer & Kucera (2022)
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Sphaeroidinella dehiscens (Parker & Jones, 1865) - WoRMS
WEB6 dagen geleden · marine, brackish, fresh, terrestrial. Original description. (of Sphaeroidina bulloides var. dehiscens Parker & Jones, 1865) Parker, W. K.; Jones, T. R. (1865). On …
pforams@mikrotax - Sphaeroidinella
WEBType species: Sphaeroidina bulloides var. dehiscens. Taxonomic discussion: This monotypic genus is justified by preserving common usage and paying tribute to the significance of the development of …
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Sphaeroidinella dehiscens (Parker & Jones, 1865) Foraminifera
WEBSphaeroidinella,dehiscens,Foraminifera Query Genus Locality Fossil Main Key to Species About Contact Class: Rotaliata Subclass: Globigerinana Order: Globigerinida Family: …
Full article: Systematic taxonomy of middle Miocene …
WEB13 dec. 2021 · It can be distinguished from Sphaeroidinella dehiscens due to the lack of a supplementary aperture on the spiral side and the trilobate overall shape, compared with …
Isomorphism in 'Sphaeroidinella' and 'Sphaeroidinellopsis' - JSTOR
WEBABSTRACT. The genera "Sphaeroidinella" and "Sphaeroidinellopsis" are shown to be isomorphic growth forms derived least two different species of Globigerinoides in the …
(PDF) Systematic taxonomy of middle Miocene Sphaeroidinellopsis ...
WEB13 dec. 2021 · Sphaeroidinella dehiscens, adding supplementary aper-tures and developing a full cortex (Blow & Banner. 1962; Kennett & Srinivasan 1983;K u ...
Biochronology of the mid-Pliocene Sphaeroidinella event
WEB1 nov. 1998 · The first occurrence of the genus Sphaeroidinella is marked by rare specimens with minute supplementary apertures which have been referred to as …
(PDF) Evolutionary Changes in Supplementary …
WEB1 apr. 1996 · There have been several studies reporting the evolution of Sphaeroidinella dehiscens from Sphaeroidinellopsis by the development of a secondary aperture on the spiral side of the test.
Sphaeroidinella dehiscens Datum and Miocene-Pliocene …
WEBThe early Pliocene marker species Globorotalia margaritae first makes its appearance slightly above the horizon marked by the first evolutionary development of …
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