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Ptyctothyris subcanaliculata
Taxonomy
Terebratula subcanaliculata was named by Oppel (1856).
It was recombined as Aromasithyris subcanaliculata by Alméras (1970); it was recombined as Ptyctothyris subcanaliculata by Makridin (1964), Kamyshan and Babanova (1973).
It was recombined as Aromasithyris subcanaliculata by Alméras (1970); it was recombined as Ptyctothyris subcanaliculata by Makridin (1964), Kamyshan and Babanova (1973).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1856 | Terebratula subcanaliculata Oppel p. 569 |
| 1964 | Ptyctothyris subcanaliculata Makridin p. 206 figs. Pl 12, fig 3 |
| 1970 | Aromasithyris subcanaliculata Alméras p. 570 figs. Pl. 193C; Pl. 197, Fig. 8; Pl. 205 |
| 1973 | Ptyctothyris subcanaliculata Kamyshan and Babanova p. 121 figs. Pl. 14, Fig. 6-7 |
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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.
†Ptyctothyris subcanaliculata Oppel 1856
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 15.1 | 11.8 | 17.6 | 16.7 | 3.12 |
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| Source: f = family, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: base of the Middle Callovian to the top of the Early/Lower Callovian or 165.30000 to 161.50000 Ma
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Callovian | France | Aromasithyris subcanaliculata (169384 170296 170560 170570 170591 170617) | |
| Early/Lower Callovian | Ukraine | Ptyctothyris subcanaliculata (163444) | |
| Early/Lower Callovian - Late/Upper Callovian | Hungary | Aromasithyris subcanaliculata (127112) | |
| Middle Callovian | Ukraine | Ptyctothyris subcanaliculata (163445) | |
| Middle Callovian - Late/Upper Callovian | Uzbekistan | Aromasithyris subcanaliculata (96013) |