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Speonesydrionina
Taxonomy
Speonesydrionina was named by Campbell and Barwick (1990). It is not extant.
It was assigned to Dipnoi by Long (1992); and to Dipnoi by Campbell and Barwick (1990) and Long et al. (1994).
It was assigned to Dipnoi by Long (1992); and to Dipnoi by Campbell and Barwick (1990) and Long et al. (1994).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1990 | Speonesydrionina Campbell and Barwick |
| 1992 | Speonesydrionina Long |
| 1994 | Speonesydrionina Long et al. |
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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.
Subor. †Speonesydrionina Campbell and Barwick 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: Carroll 1988, Hendy et al. 2009 | |||||