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Torellellidae
Taxonomy
Torellellidae was named by Holm (1893). Its type is Torellella.
It was assigned to Hyolithelminthes by Fisher (1962), Brock and Cooper (1993); and to Hyolithelminthida by Gravestock et al. (2001), Skovsted (2006), Parkhaev and Demidenko (2010).
It was assigned to Hyolithelminthes by Fisher (1962), Brock and Cooper (1993); and to Hyolithelminthida by Gravestock et al. (2001), Skovsted (2006), Parkhaev and Demidenko (2010).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1893 | Torellellidae Holm |
| 1962 | Torellellidae Fisher p. 133 |
| 1993 | Torellellidae Brock and Cooper p. 776 |
| 2001 | Torellellidae Gravestock et al. p. 94 |
| 2006 | Torellellidae Skovsted p. 1101 |
| 2010 | Torellellidae Parkhaev and Demidenko p. 945 |
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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. †Torellellidae Holm 1893
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G. †Annelitellus Qian 1989
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†Annelitellus yangtzensis Qian 1989
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Invalid names: Annelitellus rotundapiculus Qian 1989 [synonym]
G. †Rushtonia Cobbold and Pocock 1934
G. †Torellella Holm 1893
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†Torellella biconvexa Rozanov et al. 1969
†Torellella curva Rozanov and Missarzhevsky 1966
†Torellella explicata Missarzhevsky and Mambetov 1981
†Torellella guizhouensis Qian and Yin 1984
†Torellella laevigata Linnarsson 1871
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Invalid names: Torellella latiuscula Vasil’yeva 1998 [synonym]
†Torellella lentiformis Syssoiev 1962
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| P. Y. Parkhaev and Y. Demidenko 2010 | "Conical bilaterally symmetrical tubes opened from both ends. Tube wall bilaminar, outer layer approximately 3 μm thick, inner layer 15 μm thick. Chemical composition of tube wall calcium phosphate. Cross-section of tubes oval. Tubes externally smooth, or ornamented by convex transversal rib." |