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Lituigraptus
Taxonomy
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1978 | Lituigraptus Ni |
| 1998 | Lituigraptus Storch pp. 248 - 249 |
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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. †Lituigraptus Ni 1978
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†Lituigraptus convolutus Hisinger 1837
†Lituigraptus richteri Perner 1897
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| P. Storch 1998 | Dorsally enrolled spiral rhabdosome, di stally the rhabdosome ax is gradually twists and the thecae may be situated ventrally or perpendicular to the spiral plane. Proximal thecae rastritiform, with thread-like prothecae and straight, tubular metathecae with hooked apertures. Mesially the thecae gradually become high triangular; apertural hooks gradually retreat being substituted by prominent paired, ventrally or ventro-proximalIy directed, lateral processes. |