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Anchura (Helicaulax) condoniana
Taxonomy
Anchura condoniana was named by Anderson (1902). It is a 3D body fossil. Its type locality is CAS Loc. 445 - Phoenix, which is in a Turonian coastal siliciclastic in Oregon.
It was recombined as Drepanochilus condoniana by Anderson (1958); it was recombined as Anchura (Helicaulax) condoniana by Saul and Popenoe (1993) and Haggart et al. (2005).
It was recombined as Drepanochilus condoniana by Anderson (1958); it was recombined as Anchura (Helicaulax) condoniana by Saul and Popenoe (1993) and Haggart et al. (2005).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1902 | Anchura condoniana Anderson p. 76 figs. pi. 8, fig. 179 |
| 1958 | Drepanochilus condoniana Anderson p. 166 |
| 1993 | Anchura (Helicaulax) condoniana Saul and Popenoe p. 354 figs. Figures 3 - 10 |
| 2005 | Anchura (Helicaulax) condoniana Haggart et al. 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.
†Anchura (Helicaulax) condoniana Anderson 1902
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| L. R. Saul and W. P. Popenoe 1993 | A Helicaulax having a short posterior digitation roughly parallel to the shell axis, adjacent to the spire at its base, but not otherwise adnate; sculpture dominantly axial; fifth and sixth abapical spiral cords forming the angulation and continuing onto extended outer lip; outer lip falcate but only slightly flanged posteriorly and ante- riorly along its lateral portion. |
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Early/Lower Turonian to the top of the Turonian or 93.50000 to 89.80000 Ma
Collections (25 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Turonian | USA (California) | Anchura condoniana (44213 62347 86784 86785 86788 219080 220298 220338 220340 220360 222077 222094 222097 222098 222100 222102 222103 222107 222108) | |
| Early/Lower Turonian | Canada (British Columbia) | Anchura condoniana (210511) | |
| Late/Upper Turonian | USA (California) | Anchura condoniana (215288 215570 215620) | |
| Late/Upper Turonian | USA (Oregon) | Anchura condoniana (type locality: 86813) | |
| Middle Turonian | USA (California) | Anchura condoniana (86782) |