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Chubutodyptes biloculata
Taxonomy
Chubutodyptes biloculata was named by Simpson (1970). Its type specimen is AMNH 3346, a set of postcrania (right humerus), and it is not a trace fossil. Its type locality is Cerro del Castillo, Trelew, which is in an Aquitanian/Burdigalian shallow subtidal sandstone in the Gaiman Formation of Argentina.
It was recombined as Palaeospheniscus biloculata by Acosta Hospitaleche (2007), Acosta Hospitaleche et al. (2007), Acosta Hospitaleche and Tambussi (2008), Soto-Acuña et al. (2008) and Tambussi et al. (2023).
It was recombined as Palaeospheniscus biloculata by Acosta Hospitaleche (2007), Acosta Hospitaleche et al. (2007), Acosta Hospitaleche and Tambussi (2008), Soto-Acuña et al. (2008) and Tambussi et al. (2023).
Synonyms
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Synonymy list
Year | Name and author |
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1905 | Perispheniscus wimani Ameghino p. 117 figs. Plate 2, Fig. 14 |
1933 | Perispheniscus wimani Lambrecht p. 229 |
1946 | Perispheniscus wimani Simpson p. 32 |
1970 | Chubutodyptes biloculata Simpson p. 22 figs. Plate 4 |
1972 | Palaeospheniscus wimani Simpson p. 7 |
1972 | Chubutodyptes biloculata Simpson p. 17 |
2007 | Palaeospheniscus biloculata Acosta Hospitaleche p. 421 |
2007 | Palaeospheniscus biloculata Acosta Hospitaleche et al. p. 308 |
2008 | Palaeospheniscus biloculata Acosta Hospitaleche and Tambussi p. 117 |
2008 | Palaeospheniscus biloculata Soto-Acuña et al. p. 123 |
2023 | Palaeospheniscus biloculata Tambussi et al. p. 273 |
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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.
†Chubutodyptes biloculata Simpson 1970
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Diagnosis
Reference | Diagnosis | |
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C. Acosta Hospitaleche and C. Tambussi 2008 | Tarsometatarsus. Total length more than 43 mm, be- ing the largest species of the genus. Lateral divergence of the trochlea for digit II greater than in P. bergi and P. biloculata. Crista lateralis hypotarsi more developed than in the other species of the genus, reaching the fossa supratrochlearis plantaris. Absence of a crista intermediate hypotarsi. |