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Lasiograptidae (lasiograptid)
Taxonomy
Lasiograptidae was named by Lapworth (1879). Its type is Lasiograptus.
It was assigned to Diplograptina by Bulman (1970); and to Diplograptina by Maletz (2014).
It was assigned to Diplograptina by Bulman (1970); and to Diplograptina by Maletz (2014).
Subtaxa
Synonymy list
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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.
Fm. †Lasiograptidae Lapworth 1879 [lasiograptid]
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G. †Arachniograptus Ross and Berry 1963
G. †Archiretiolites Eisenack 1935
G. †Brevigraptus Mitchell 1988
G. †Gymnograptus
G. †Hallograptus Lapworth 1876
G. †Lasiograptus Lapworth 1873
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Subg. †Lasiograptus (Thysanograptus) Elles and Wood 1903
†Lasiograptus etheridgei Harris 1924
Invalid names: Prolasiograptus [synonym]
G. †Neurograptus Elles and Wood 1908
G. †Nymphograptus Elles and Wood 1908
G. †Phormograptus Whittington 1955
G. †Pipiograptus Whittington 1955
G. †Plegmatograptus Elles and Wood 1908
G. †Sunigraptus Mu 1993
G. †Tysanograptus Elles and Wood 1908
G. †Yangzigraptus Mu 1983
G. †Yinograptus Mu 1962
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. Maletz 2014 | Biserial, dipleural axonophorans; metasicular origin of th11; proximal end square to highly asymmetrical, generally provided with a virgellar spine and paired antivirgellar spines; proximal development type poorly known due to attenuation of fusellum in most taxa, but assumed to be of derived pattern G astogeny (Mitchell 1987, Mitchell et al. 2007); simple to progressively more complex development of lacinia. |