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Thallograptus
Taxonomy
Thallograptus was named by Ruedemann (1925) [Sepkoski's age data: Cm Dres-u S Ludl Sepkoski's reference number: 2,931].
It was assigned to Acanthograptidae by Rickards et al. (1990); and to Dendroidea by Sepkoski (2002).
It was assigned to Acanthograptidae by Rickards et al. (1990); and to Dendroidea by Sepkoski (2002).
Species
Synonymy list
Year | Name and author |
---|---|
1925 | Thallograptus Ruedemann |
1990 | Thallograptus Rickards et al. p. 227 |
2002 | Thallograptus 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 | |
---|---|---|
R. B. Rickards et al. 1990 | Rhabdosome shrub-like, stipes dichotomously branching and forming lateral branches irregularly; branches not anastomosed; no dissepiments; thecae tubular, adnate throughout their length, opening as pores on the stipe surface; branches may taper to a single theca distally |