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Architectonica (Stellaxis) cognata
Taxonomy
Architectonica cognata was named by Gabb (1864).
It was recombined as Stellaxis cognata by Waring (1917); it was recombined as Architectonica (Stellaxis) cognata by Stewart (1927), Turner (1938), Squires (1984), Squires (1987), Squires (1988) and Squires and Demetrion (1992).
It was recombined as Stellaxis cognata by Waring (1917); it was recombined as Architectonica (Stellaxis) cognata by Stewart (1927), Turner (1938), Squires (1984), Squires (1987), Squires (1988) and Squires and Demetrion (1992).
Sister species lacking formal opinion data
A. aldrichi, A. bellistriata, A. bicingulata, A. caelatura, A. chipolana, A. congnata, A. cossmanni, A. distinguinda, A. fimbriaea, A. geminicostata, A. granulosa, A. huppertzi, A. marthae, A. marwicki, A. plicata, A. plicatula, A. prosemisquamosa, A. reklawensis, A. simplex, A. textilina, A. billmoorei, A. simplex, A. planiformis, A. obtusa, A. obtusa, A. semidecussata, A. nomurai
Synonymy list
| Year | Name and author |
|---|---|
| 1864 | Architectonica cognata Gabb p. 117 figs. Pl. 20, Fig 72 |
| 1917 | Stellaxis cognata Waring p. 98 |
| 1927 | Architectonica (Stellaxis) cognata Stewart pp. 343 - 344 figs. Plate XXVIII, figs. 7, 8 |
| 1938 | Architectonica (Stellaxis) cognata Turner p. 90 |
| 1984 | Architectonica (Stellaxis) cognata Squires p. 19 figs. Figure 6l |
| 1987 | Architectonica (Stellaxis) cognata Squires p. 29 fig. 27 |
| 1988 | Architectonica (Stellaxis) cognata Squires p. 11 figs. Figure 17 |
| 1992 | Architectonica (Stellaxis) cognata Squires and Demetrion p. 34 |
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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.
†Architectonica (Stellaxis) cognata Gabb 1864
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Ypresian to the top of the Late/Upper Eocene or 56.00000 to 33.90000 Ma
Collections (30 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ypresian | USA (California) | Architectonica cognata (122656 178748) | |
| Ypresian | Mexico (Baja California) | Architectonica cognata (5502) | |
| Ypresian | Mexico (Baja California Sur) | Architectonica cognata (5496) | |
| Ypresian - Lutetian | USA (California) | Architectonica cognata (8011 200143 200144) | |
| Ypresian - Lutetian | USA (Oregon) | Architectonica cognata (200883) | |
| Eocene | USA (California) | Architectonica cognata (207113) | |
| Lutetian | USA (California) | Architectonica cognata (5532 5541 5542 8012 8013 200712 200838 200842 200845 201695 201699 201700 207176 207187 207188 207189) | |
| Lutetian | USA (Oregon) | Architectonica cognata (200870 200874 201033) | |
| Middle Eocene - Late/Upper Eocene | USA (California) | Architectonica cognata (37928) | |
| Late/Upper Eocene | USA (California) | Stellaxis cognata (193039) |