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Rhizocephala
Taxonomy
Rhizocephala was named by Müller (1862). It is extant.
It was reranked as the infraclass Rhizocephala by Hegna et al. (2020) and Chan et al. (2021).
It was assigned to Cirripedia by Newman et al. (1969); to Cirripedia by Martin and Davis (2001); and to Cirripedia by Hegna et al. (2020) and Chan et al. (2021).
It was reranked as the infraclass Rhizocephala by Hegna et al. (2020) and Chan et al. (2021).
It was assigned to Cirripedia by Newman et al. (1969); to Cirripedia by Martin and Davis (2001); and to Cirripedia by Hegna et al. (2020) and Chan et al. (2021).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1862 | Rhizocephala Müller |
| 1884 | Kentrogonida Delage |
| 1911 | Akentrogonida Hafele |
| 1969 | Akentrogonida Newman et al. p. 272 |
| 1969 | Kentrogonida Newman et al. p. 272 |
| 1969 | Rhizocephala Newman et al. p. 272 |
| 2001 | Akentrogonida Martin and Davis p. 59 |
| 2001 | Kentrogonida Martin and Davis p. 59 |
| 2001 | Rhizocephala Martin and Davis p. 59 |
| 2020 | Rhizocephala Hegna et al. p. 37 |
| 2021 | Rhizocephala Chan 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.
Infracl. Rhizocephala Müller 1862
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Fm. Chthamalophilidae Bocquet-Vedrine 1961
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G. Bocquetia Pawlik 1987
G. Boschmaella Bocquet-Vedrine 1957
Fm. Clistosaccidae Lilljeborg 1861
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Fm. Mycetomorphidae Høeg and Rybakov 1992
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Fm. Peltogasterellidae Høeg and Glenner 2019
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G. Angulosaccus Reinhard 1944
G. Boschmaia Reinhard 1958
G. Cyphosaccus Reinhard 1958
G. Peltogasterella Krüger 1912
Fm. Peltogastridae Lilleborg 1861
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G. Briarosaccus Boschma 1930
G. Dipterosaccus van Kampen and Boschma 1925
G. Galatheascus Boschma 1929
G. Ommatogaster Yoshida and Osawa 2011
G. Paratriangulus Høeg and Glenner 2019
G. Pterogaster Van Baal 1937
G. Septodiscus Van Baal 1937
G. Septosaccus Duboscq 1912
G. Temnascus Boschma 1951
G. Tortugaster Reinhard 1948
G. Trachelosaccus Boschma 1928
G. †Triangulopsis Döring 1961
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†Triangulopsis discoidalis Döring 1961
†Triangulopsis plicatus Singh and Kumar 1969
†Triangulopsis varians Singh and Kumar 1969
Fm. Polyascidae Høeg and Glenner 2019
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G. Parasacculina Høeg and Glenner 2019
G. Polyascus Glenner et al. 2003
Fm. Sacculinidae Lilleborg 1861
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G. Drepanorchis Boschma 1927
G. Heterosaccus Smith 1906
G. Loxothylacus Boschma 1928
G. Ptychascus Boschma 1933
G. Sesarmaxenos Annandale 1911
Fm. Thompsoniidae Høeg and Rybakov 1992
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G. Diplothylacus Høeg and Lützen 1993
G. Jensia Boyko and Williams 2015
G. Thylacoplethus Coutière 1902
Invalid names: Akentrogonida Hafele 1911 [invalid subgroup], Kentrogonida Delage 1884 [invalid subgroup]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: supero = superorder, c = class | |||||
| References: Kiessling 2004, Gallo-REynoso and Figueroa-Carranza 1998 | |||||
Age range
Maximum range based only on fossils: base of the Late/Upper Jurassic to the top of the Late/Upper Aptian or 161.50000 to 113.00000 Ma
Minimum age of oldest fossil (stem group age): 145.0 Ma
Minimum age of oldest fossil (stem group age): 145.0 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Jurassic | India (Madhya Pradesh) | Triangulopsis discoidalis, Triangulopsis varians (224685) Triangulopsis plicatus (226734) | |
| Late/Upper Jurassic - Early/Lower Cretaceous | India (Madhya Pradesh) | Triangulopsis discoidalis (224642) | |
| Late/Upper Aptian | Brazil (Maranhão) | Triangulopsis sp. (150515) |