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Knightella
Taxonomy
Knightella was named by Longstaff (1933) [Sepkoski's age data: C Vise-u Sepkoski's reference number: 797].
It was assigned to Pseudozygopleurinae by Knight et al. (1960); to Orthonemidae by Nützel and Bandel (2000); and to Neotaenioglossa by Sepkoski (2002).
It was assigned to Pseudozygopleurinae by Knight et al. (1960); to Orthonemidae by Nützel and Bandel (2000); and to Neotaenioglossa by Sepkoski (2002).
Synonyms
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Synonymy list
Year | Name and author |
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1933 | Knightia Longstaff pp. 118 - 119 |
1933 | Knightella Longstaff p. 480 |
1960 | Knightella Knight et al. p. 313 |
2000 | Knightella Nützel and Bandel |
2002 | Knightella 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.
G. †Knightella Longstaff 1933
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†Knightella baluki Kaim 2004
†Knightella gundyensis Yoo 1994
†Knightella hydrobiformis Nützel and Nakazawa 2012
†Knightella irregularis Longstaff 1933
†Knightella regularis Wang 1980
†Knightella shumardiana Winchell 1863
Invalid names: Knightia Longstaff 1933 [replaced]
Diagnosis
Reference | Diagnosis | |
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J. D. Longstaff 1933 (Knightia) | Shell elongated, composed of numerous subangular whorls, sometimes irregularly coiled, apex blunt, protoconch slightly raised, the following whorls having ribs, the later ones shallow sigmoidal lines of growth, all crossed by spiral threads. Aperture ovate. |