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Apsidognathus tuberculatus arcticus
Taxonomy
Apsidognathus tuberculatus arcticus was named by Armstrong (1990). It is not extant.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1990 | Apsidognathus tuberculatus arcticus Armstrong |
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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.
†Apsidognathus tuberculatus arcticus Armstrong 1990
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, subp = subphylum | |||||
| References: Aberhan 1992, Carroll 1988 | |||||