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Igonoia stewarti
Taxonomy
Solariella stewarti was named by Murphy and Rodda (1960). Its type specimen is UCLA 28622 and is a 3D body fossil. Its type locality is UCLA loc. 3476, Coyote Creek, which is in a Cenomanian marine sandstone in the Budden Canyon Formation of California.
It was recombined as Igonoia stewarti by Squires (2011).
It was recombined as Igonoia stewarti by Squires (2011).
Synonymy list
| Year | Name and author |
|---|---|
| 1960 | Solariella stewarti Murphy and Rodda p. 839 figs. Pl. 103, figs. 4,5 |
| 2011 | Igonoia stewarti Squires pp. 142 - 143 figs. Figures 24 – 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.
†Igonoia stewarti Murphy and Rodda 1960
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. L. Squires 2011 | Small-sized Igonoia with spire low, shoulder rounded with numerous very fine to fine spiral ribs crossed by prominently raised growth lines, basal ornament weak, and umbilical cord moderately strong. |
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Hendy et al. 2009, Kiessling 2004 | |||||