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Pseudomexicella
Taxonomy
Pseudomexicella was named by Sundberg (1994) [Sepkoski's age data: Cm mMid-u Sepkoski's reference number: 1089].
It was assigned to Ehmaniellinae by Sundberg (1994); to Alokistocaridae by Jell and Adrain (2002); and to Ptychopariida by Sepkoski (2002).
It was assigned to Ehmaniellinae by Sundberg (1994); to Alokistocaridae by Jell and Adrain (2002); and to Ptychopariida by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1994 | Pseudomexicella Sundberg pp. 77 - 78 |
| 2002 | Pseudomexicella Jell and Adrain p. 434 |
| 2002 | Pseudomexicella Sepkoski |
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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.
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| F. A. Sundberg 1994 | Ehmaniellinae with subpentagonal cranidium with divergent facial sutures anterior of palpebral lobes; moderately to long palpebral lobes (35-40% glabellar length); poorly defined anterior border, gently and uniformly convex preglabellar field and anterior border, shallow anterior border furrow, moderate width (15-20% cranidial length), very strongly tapered; preglabellar field sagittally moderately wide (40-60% frontal area length); moderately to strongly tapered glabella; bluntly rounded frontal lobe; exsagittally wide posterior area of fixigenae (25-30% glabellar length). Pygid- ium subelliptical with elongate axis; 4 axial rings; moderate depth pleural furrows; strongly convex posterior pleural bands; without anterior pleural bands. |