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Ropolonellidae
Taxonomy
Ropolonellidae was named by Coryell and Malkin. It is not extant. Its type is Ropolonellus.
It was assigned to Podocopida by Coryell and Malkin (1936); to Quasillitacea by Benson et al. (1961); and to Quasillitoidea by Liebau (2005).
It was assigned to Podocopida by Coryell and Malkin (1936); to Quasillitacea by Benson et al. (1961); and to Quasillitoidea by Liebau (2005).
Subtaxa
Ropolonellus (type genus), Varicobairdia
Synonymy list
| Year | Name and author |
|---|---|
| 1936 | Ropolonellidae Coryell and Malkin |
| 1961 | Ropolonellidae Benson et al. p. Q376 |
| 2005 | Ropolonellidae Liebau |
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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
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Jell and Adrain 2002, Kiessling 2004 | |||||
Age range: Givetian or 387.95000 to 382.31000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Givetian | USA (Michigan) | Ropolonellus papillatus (38475 38476) | |
| Givetian | USA (Ohio) | Ropolonellus papillatus (81857 206972 206973 206974) |