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Pycnolepas
Taxonomy
Pycnolepas was named by Withers (1914) [Sepkoski's age data: J Tith T Mi-m]. Its type is Pollicipes rigidus. It is the type genus of Pycnolepadidae.
It was assigned to Cirripedia by Sepkoski (2002); to Brachylepadidae by Collins (1980), Carriol and Collins (2000), Jagt et al. (2007) and Chan et al. (2021); and to Pycnolepadidae by Gale and Vidovic (2023).
It was assigned to Cirripedia by Sepkoski (2002); to Brachylepadidae by Collins (1980), Carriol and Collins (2000), Jagt et al. (2007) and Chan et al. (2021); and to Pycnolepadidae by Gale and Vidovic (2023).
Synonymy list
| Year | Name and author |
|---|---|
| 1914 | Pycnolepas Withers |
| 1980 | Pycnolepas Collins p. 22 |
| 2000 | Pycnolepas Carriol and Collins p. 143 |
| 2002 | Pycnolepas Sepkoski |
| 2007 | Pycnolepas Jagt et al. p. 34 |
| 2021 | Pycnolepas Chan et al. |
| 2023 | Pycnolepas Gale and Vidovic p. 22 |
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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.
G. †Pycnolepas Withers 1914
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†Pycnolepas batchelorum Gale and Vidovic 2023
†Pycnolepas fimbriata Withers 1912
†Pycnolepas industriosa Jagt 2007
†Pycnolepas orientalis Kolosváry 1966
†Pycnolepas rigida Sowerby 1836
†Pycnolepas scalaris Withers 1914
†Pycnolepas tithonica Withers 1912
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. W. M. Jagt et al. 2007 | Sessile; shell laterally flattened; carina (semi-)cylindrical; three to four outer whorls of imbricating plates with inwardly projecting ledge bearing median basal socket (?muscle pit); basis probably membranous (Withers, 1953: 345; Newman et al., 1969: R283). |