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Squalodon servatus
Taxonomy
Arionius servatus was named by Meyer (1841) [Kellog (1923) states that the type specimen is in the Wurttemb. Naturalien Sammlung at Stuttgart, Germany.]. It is a 3D body fossil. Its type locality is Baltringen, which is in a Burdigalian marine horizon in Germany.
It was replaced with Squalodon meyeri by Brandt (1874) and Roger (1887); it was considered a nomen dubium by Dal Piaz (1916); it was recombined as Squalodon servatus by Van Beneden and Gervais (1880), Zittel (1894), Studer (1898), Trouessart (1898), Trouessart (1904), Rothausen (1968) and Symeonidis et al. (2004).
It was replaced with Squalodon meyeri by Brandt (1874) and Roger (1887); it was considered a nomen dubium by Dal Piaz (1916); it was recombined as Squalodon servatus by Van Beneden and Gervais (1880), Zittel (1894), Studer (1898), Trouessart (1898), Trouessart (1904), Rothausen (1968) and Symeonidis et al. (2004).
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1841 | Arionius servatus Meyer p. 315 |
1853 | Arionius servatus Bronn p. 761 |
1853 | Arionius servatus Pictet p. 383 |
1858 | Arionius servatus Meyer |
1880 | Squalodon servatus Van Beneden and Gervais pp. 438-439 |
1894 | Squalodon servatus Zittel p. 170 |
1898 | Squalodon servatus Studer p. 131 |
1898 | Squalodon servatus Trouessart p. 1011 |
1904 | Squalodon servatus Trouessart p. 755 |
1923 | Arionius servatus Kellogg p. 31 |
1968 | Squalodon servatus Rothausen p. 91 figs. Table 1 |
2004 | Squalodon servatus Symeonidis et al. p. 319 figs. Table 2 |
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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.
†Squalodon servatus Meyer 1841
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Diagnosis
No diagnoses are available