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Callograptus
Taxonomy
Callograptus is a genus. It is not extant. Its type is Callograptus elegans.
It was assigned to Dendrograptidae by Rickards et al. (1990); to Dendroidea by Sepkoski (2002); and to Acanthograptidae by Maletz et al. (2020).
It was assigned to Dendrograptidae by Rickards et al. (1990); to Dendroidea by Sepkoski (2002); and to Acanthograptidae by Maletz et al. (2020).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1881 | Odontocaulis Lapworth p. 175 |
| 1990 | Callograptus Rickards et al. pp. 221 - 222 |
| 2002 | Callograptus Sepkoski |
| 2020 | Callograptus Maletz et al. p. 51 |
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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. †Callograptus
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†Callograptus cylindricus Liu 1987
†Callograptus elegans Hall 1865
†Callograptus praesalteri Rickards et al. 1990
Invalid names: Odontocaulis Lapworth 1881 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. B. Rickards et al. 1990 | Rhabdosome conical, flabellate or irregular, with thecate stem, or, more commonly, thickened nonthecate stem or disclike holdfast; dichotomous more or less regular branching of the stipes which are parallel to subparallel, sporadically connected by anastomosis or dissepiments; authothecae denticulate, sometimes distally isolate. |