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Richardsonites richardsonianus
Taxonomy
Gastrioceras richardsonianum was named by Girty (1909). It is a 3D body fossil. Its type locality is USGS 2082 green, Sandy Creek, which is in an Arnsbergian marine shale in the Caney Formation of Oklahoma. It is the type species of Richardsonites.
It was recombined as Cravenoceras richardsonianum by Plummer and Scott (1937) and Gordon (1964); it was recombined as Richardsonites richardsonianus by Ruzhentsev and Bogoslovskaya (1971) and Titus (2000).
It was recombined as Cravenoceras richardsonianum by Plummer and Scott (1937) and Gordon (1964); it was recombined as Richardsonites richardsonianus by Ruzhentsev and Bogoslovskaya (1971) and Titus (2000).
Synonymy list
| Year | Name and author |
|---|---|
| 1909 | Gastrioceras richardsonianum Girty p. 54 figs. Pl 11, figs 1-11 |
| 1937 | Cravenoceras richardsonianum Plummer and Scott p. 261 figs. Pl 8, figs 12-16 |
| 1964 | Cravenoceras richardsonianum Gordon p. 212 figs. Pl 22 figs 28-34; text-figs 53A-D, 55A,B,K |
| 1971 | Richardsonites richardsonianus Ruzhentsev and Bogoslovskaya p. 299 fig. 76a,b |
| 2000 | Richardsonites richardsonianus Titus p. 33 figs. Plate 8, figures 1-25; figure 29 |
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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.
†Richardsonites richardsonianus Girty 1909
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. L. Titus 2000 | Species with medium to strongly ornamented, cadiconic to subcadiconic juveniles (D < 10 mm) and/or only moderately attenuate sutural elements. |