Diagnosis: Shell spheroidal to ovate, with single erect spine at aboral pole. Oblique peristome, with process extending into three teeth, of which the middle one is longest.
Length: 0.095-0.37 mm.
Kingdom Protoctista Phylum Actinopoda Subphylum Sarcodina Class Phaeodaria Order Phaeogromia Family Challengeridae Genus Protocystis Species Protocystis swirei
Status in World Register of Marine Species
Not included in WoRMS database
Sorry, there are no scientific synonyms and common names available for this species
Haecker V. 1908. Tiefsee-Radiolarien. Wiss. Erg. Deutsch. Tiefsee-Exp. Dampfer "Valdivia" 1898-1899, 14, T. 1:1-476; T. 2:477-706.
Images
Protocystis swirei Protocystis swirei 2
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