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Hexagrammos achrestus
Taxonomy
Hexagrammos achrestus was named by Jordan and Gilbert (1919). It is extant. Its type locality is Lompoc Quarry, which is in a Tortonian basinal (siliciclastic) diatomite in the Monterey Formation of California.
It was recombined as Achrestogrammus achrestus by David (1943), Fierstine et al. (2012).
It was recombined as Achrestogrammus achrestus by David (1943), Fierstine et al. (2012).
Synonymy list
| Year | Name and author |
|---|---|
| 1919 | Hexagrammos achrestus Jordan and Gilbert p. 52 figs. Plate XXIV, Fig. 2 |
| 1920 | Hexagrammos achrestus Jordan and Gilbert p. 36 |
| 1943 | Achrestogrammus achrestus David p. 164 |
| 2012 | Achrestogrammus achrestus Fierstine et al. p. 107 |
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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.
Hexagrammos achrestus Jordan and Gilbert 1919
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, subp = subphylum | |||||
| References: Hendy et al. 2009, Carroll 1988 | |||||