†Praeconosphaera spinosa Yang 1993 (radiolarian)
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Protozoa - Spumellaria - Parvivaccidae
Belongs to Praeconosphaera according to Yang 1993
Sister taxa: Praeconosphaera antiqua, Praeconosphaera magnimamma, Praeconosphaera sphaeroconus, Praeconosphaera tuberosa
Ecology: passively mobile planktonic omnivore
Distribution:
• Cretaceous of Oman (3 collections), the Philippines (1)
• Jurassic of Germany (1), Italy (2), Mexico (9), Slovakia (3), Switzerland (1), United States (2: California)
Total: 22 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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