Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Sigmatosclerophorida
Taxonomy
Sigmatosclerophorida was named by Burton (1956). It is extant.
It was assigned to Ceractinomorpha by Finks et al. (2004).
It was assigned to Ceractinomorpha by Finks et al. (2004).
Subtaxa
Synonymy list
Year | Name and author |
---|---|
1956 | Sigmatosclerophorida Burton |
2004 | Sigmatosclerophorida Finks et al. p. 58 |
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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.
Or. Sigmatosclerophorida Burton 1956
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: subc = subclass, c = class | |||||
References: Bambach et al. 2007, Kiessling 2004, Whittington et al. 1997 |
Age range: base of the Blackhillsian to the top of the Richmondian or 474.90000 to 445.50000 Ma
Collections (36 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Blackhillsian - Rangerian | USA (Idaho) | Loganiella johnsoni (120818) | |
Caradoc | USA (Alabama) | Dystactospongia sp. (80602) | |
Caradoc | USA (Virginia) | Dystactospongia minor (34272 34273 34276) Dystactospongia sp. (33549 33550 33927 33929 33930 33932 33933 34224 34235 34237 34241 34243 34244 34245 34246) | |
Turinian | USA (Tennessee) | Dystactospongia sp. (5347) | |
Ashbyan | USA (Virginia) | Dystactospongia sp. (33938 33980 33981 33982 33983 33984) | |
Rocklandian | USA (Tennessee) | Dystactospongia minor (5333) | |
Maysvillian | USA (Tennessee) | Dystactospongia insolens (5374) Dystactospongia sp., Heterospongia subramosa (5390) | |
Maysvillian | USA (Ohio) | Dystactospongia sp. (388) | |
Richmondian | USA (Indiana) | Dystactospongia madisonensis (121050) Dystactospongia sp. (374) | |
Richmondian - Ashgill | USA (Ohio) | Dystactospongia sp. (392 394) | |
Rawtheyan | United Kingdom (Wales) | Heterospongia indet. (8370) |