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Quadrithyris minuens
Taxonomy
Spirifer minuens was named by Barrande (1879).
It was recombined as Delthyris (Quadrithyris) minuens by Havlicek (1959); it was recombined as Quadrithyris minuens by Johnson (1970).
It was recombined as Delthyris (Quadrithyris) minuens by Havlicek (1959); it was recombined as Quadrithyris minuens by Johnson (1970).
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1879 | Spirifer minuens Barrande figs. Pl. 138, case 9, figs. 4, 5. |
1959 | Delthyris (Quadrithyris) minuens Havlicek p. 122 figs. Pl. 11, fig. 1; Pl. 23, fig.l |
1970 | Quadrithyris minuens Johnson pp. 209 - 210 figs. Pl. 67, figs. 1-15 |
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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.
†Quadrithyris minuens Barrande 1879
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Diagnosis
No diagnoses are available