radiolaria - rads_cenozoic - Periphaena delta radiolaria - rads_cenozoic - Periphaena delta

Periphaena delta


Classification: rads_cenozoic -> Coccodiscidae -> Periphaena -> Periphaena delta
Sister taxa: P. delta, P. dupla, P. heliasteriscus, P. triactis, P. tripyramis, P. decora, P. sp.

Taxonomy

Citation: Periphaena delta Sanfilippo & Riedel 1973
taxonomic rank: species
Basionym: Periphaena delta
Synonyms:

From Suzuki Paleotax db:

1973 Periphaena delta n. sp. Sanfilippo & Riedel p. 523, pl. 8, figs. 11, 12, pl. 27, figs. 6, 7
1974 Periphaena delta Sanfilippo et Riedel Nigrini p. 1065, pl. 1C, fig. 7
1977 Periphaena delta Sanfilippo & Riedel Riedel & Sanfilippo pl. 5, fig. 12
1978 Periphaena delta Sanfilippo et Riedel Riedel & Sanfilippo p. 71, pl. 7, fig. 9
1985 Periphaena cf. delta Sanfilippo et Riedel Watanabe & Iwata pl. 1, fig. 8
1986 Periphaena delta Sanfilippo et Riedel Riedel & Sanfilippo pl. 3, fig. 3
1987 Periphaena delta Sanfilippo & Riedel Suyari & Yamasaki pl. 3, fig. 15
1988 Periphaena delta Sanfilippo & Riedel Suyari & Yamasaki pl. 3, fig. 14
Taxonomic discussion: Sanfilippo & Riedel 1973 p 523 pl 8 figs 11-12 pl 27 figs 6-7

Catalog entries: Periphaena delta

Original description: Lenticular cortical shell with short, broad marginal spines. Cortical shell with thick wall, smooth surface, and numerous. small, cylindrical pores, with broad. delta-shaped. radially striated spines (usually six in number) arising as extensions of the margin. Medullary shell double.

Description

Biogeography and Palaeobiology

Biostratigraphic distribution

Geological Range:
Last occurrence (top): within Paleogene Period (23.03-66.04Ma, top in Chattian stage). Data source: Lazarus et al. 2015 - "P age group"
First occurrence (base): within Paleogene Period (23.03-66.04Ma, base in Danian stage). Data source: Lazarus et al. 2015 - "P age group"

Plot of occurrence data:

References:

Sanfilippo, A. & Riedel, W. R. (1973). Cenozoic Radiolaria (exclusive of theoperids, artostrobiids and amphipyndacids) from the Gulf of Mexico, Deep Sea Drilling Project Leg 10. Initial Reports of the Deep Sea Drilling Project. 10: 475-608. gs O


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Periphaena delta compiled by the radiolaria@mikrotax project team viewed: 16-9-2024

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