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Stromerius
Taxonomy
Stromerius was named by Gingerich (2007).
It was assigned to Dorudontinae by Schouten (2011); to Stromeriinae by Gingerich (2007) and Gao and Ni (2015); and to Basilosauridae by Martinez-Cáceres and Muizon (2011), Uhen (2013), Marx et al. (2016), Martínez-Cáceres et al. (2017), Berta (2017), Uhen (2018) and Zalmout et al. (2020).
It was assigned to Dorudontinae by Schouten (2011); to Stromeriinae by Gingerich (2007) and Gao and Ni (2015); and to Basilosauridae by Martinez-Cáceres and Muizon (2011), Uhen (2013), Marx et al. (2016), Martínez-Cáceres et al. (2017), Berta (2017), Uhen (2018) and Zalmout et al. (2020).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 2007 | Stromerius Gingerich p. 363 |
| 2011 | Stromerius Martinez-Cáceres and Muizon |
| 2011 | Stromerius Schouten p. 18 |
| 2013 | Stromerius Uhen p. 7 figs. Figure 9 |
| 2015 | Stromerius Gao and Ni p. 156 figs. Table 1 |
| 2016 | Stromerius Marx et al. p. 101 |
| 2017 | Stromerius Berta p. 159 |
| 2017 | Stromerius Martínez-Cáceres et al. p. 11 |
| 2018 | Stromerius Uhen |
| 2020 | Stromerius Zalmout et al. p. 127 |
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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.
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| P. D. Gingerich 2007 | Stromerius is distinctive among basilosaurids in having unusually long and forwardly-directed metapophyses on lumbar vertebrae (Fig. 3). In addition, Stromerius retains ananticlinal-like penultimate thoracic vertebra with a vertical neural spine (Fig. 1C), which differs from the anteriorly directed spine of L2 in the same specimen. Stromerius retains a relatively short lumbus seemingly comprising only 12 vertebrae, the last four of which are identifi able as
sacral homologs (Fig. 3). In addition, Stromerius nidensis differs from contemporary Saghacetus osiris in being larger, and from older Dorudon atrox and/or D. stromeri in being smaller (Fig. 4). Stromerius nidensis is the only species of the genus known to date. |