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Callavia
Taxonomy
Callavia was named by Matthew (1897) [Sepkoski's age data: Cm Atda-u Sepkoski's reference number: 80,81]. It is not extant. Its type is Olenellus broggeri.
It was assigned to Mesonacidae by Walcott (1910); to Callaviinae by Palmer and Repina (1993); to Judomioidea by Lieberman (2001); to Olenellida by Sepkoski (2002); and to Holmiidae by Whittington et al. (1997), Jell and Adrain (2002).
It was assigned to Mesonacidae by Walcott (1910); to Callaviinae by Palmer and Repina (1993); to Judomioidea by Lieberman (2001); to Olenellida by Sepkoski (2002); and to Holmiidae by Whittington et al. (1997), Jell and Adrain (2002).
Species
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1890 | Cephalacanthus Lapworth |
| 1897 | Callavia Matthew |
| 1910 | Callavia Walcott p. 274 |
| 1936 | Cobboldus Raw |
| 1993 | Callavia Palmer and Repina p. 26 fig. 6,5,8 |
| 1997 | Callavia Whittington et al. p. 416 |
| 2001 | Callavia Lieberman p. 102 |
| 2002 | Callavia Jell and Adrain p. 354 |
| 2002 | Callavia 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.
G. †Callavia Matthew 1897
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†Callavia broggeri Walcott 1888
†Callavia crosbyi Walcott 1910
†Callavia eucharis Walcott 1913
Invalid names: Cephalacanthus Lapworth 1890 [synonym], Cobboldus Raw 1936 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. R. Palmer and L. N. Repina 1993 | Callaviinae with intergenal spines well developed, adjacent to genal spines. Intergenal ridge usually present. |