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Pseudophalacroma
Taxonomy
Pseudophalacroma was named by Pokrovskaya (1958) [non Jörgensen, 1883, a dinoflagellid protist]. It is not extant. Its type is Phalacroma dubium.
It was replaced with Yakutiana by Özdikmen (2009); it was misspelled as Pseudophalocroma by Peng et al. (2009), Naimark and Pegel (2017).
It was assigned to Ptychagnostidae by Jell and Adrain (2002), Peng et al. (2009), Naimark and Pegel (2017).
It was replaced with Yakutiana by Özdikmen (2009); it was misspelled as Pseudophalocroma by Peng et al. (2009), Naimark and Pegel (2017).
It was assigned to Ptychagnostidae by Jell and Adrain (2002), Peng et al. (2009), Naimark and Pegel (2017).
Species lacking formal opinion data
Entered
by S. Nurnberg (authorized by M. Aberhan) on 2009-10-12; modified by P. Wagner on 2022-04-30
Synonymy list
| Year | Name and author |
|---|---|
| 1958 | Pseudophalacroma Pokrovskaya |
| 2002 | Pseudophalacroma Jell and Adrain p. 434 |
| 2009 | Pseudophalocroma Peng et al. |
| 2017 | Pseudophalacroma Naimark and Pegel p. 1184 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. †Pseudophalacroma Pokrovskaya 1958
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†Pseudophalacroma dubium Whitehouse 1936
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Invalid names: Pseudophalacroma crebra Pokrovskaya 1958 [synonym]
†Pseudophalacroma ovale Yang 1982
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Invalid names: Pseudophalacroma triangularis Ju 1983 [synonym]
†Pseudophalacroma scanense Westergard 1946
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| E. B. Naimark and T. V. Pegel 2017 | Cephalon with very narrow border structures, glabella moderately high; axial furrows effaced, except part outlining basal lobes; median node usually absent. Pygidium with high acrolobe, with convex or slightly flattened border, widened at rear, nonspinose, border furrow deliquiate and moderately wide; axis outlined at M1, sometimes with vestiges of M2 and M3; axial node very small. |