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Constantina
Taxonomy
Constantina was named by Cisne (1970) [Sepkoski's age data: D Fame-u Sepkoski's reference number: 387].
It was assigned to Tropidocoryphidae by Owens (1994); to Proetida by Sepkoski (2002); and to Proetidae by Cisne (1970), Jell and Adrain (2002).
It was assigned to Tropidocoryphidae by Owens (1994); to Proetida by Sepkoski (2002); and to Proetidae by Cisne (1970), Jell and Adrain (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1970 | Constantina Cisne pp. 522 - 523 |
| 1994 | Constantina Owens pp. 216 - 217 fig. 7 |
| 2002 | Constantina Jell and Adrain p. 477 |
| 2002 | Constantina Sepkoski |
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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.
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. L. Cisne 1970 | Cephalon pointed. Glabella over- hanging tropidia. Eye gourd-shaped. Pleural spines very long. |
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Fortey and Owens 1999, Aberhan et al. 2004 | |||||