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Monaxonida
Taxonomy
Monaxonida was named by Sollas (1883). It is extant.
It was reranked as the subclass Monaxonida by Finks et al. (2004).
It was assigned to Demospongea by Dilliard and Rigby (2001), Finks et al. (2004).
It was reranked as the subclass Monaxonida by Finks et al. (2004).
It was assigned to Demospongea by Dilliard and Rigby (2001), Finks et al. (2004).
Subtaxa
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1883 | Monaxonida Sollas |
| 1936 | Epipolasida de Laubenfels |
| 1998 | Epipolasida Rigby et al. p. 82 |
| 2001 | Monaxonida Dilliard and Rigby p. 5 |
| 2004 | Monaxonida Finks et al. p. 195 |
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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.
Subcl. Monaxonida Sollas 1883
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Invalid names: Epipolasida de Laubenfels 1936 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Whittington et al. 1997, Kiessling 2004 | |||||
Age range
Maximum range based only on fossils: base of the Wenlock to the top of the Desmoinesian or 432.90000 to 306.00000 Ma
Minimum age of oldest fossil (stem group age): 426.7 Ma
Minimum age of oldest fossil (stem group age): 426.7 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wenlock | Spain (Seville) | Monaxonida indet. (676) | |
| Desmoinesian | USA (Arizona) | M. sp. A, Nacospongia radiata (242076) |