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Trigrammaria
Taxonomy
Trigrammaria was named by Wilson (1945). Its type is Trigrammaria trigonalis.
It was assigned to Strophomenida by Sepkoski (2002); and to Furcitellinae by Williams et al. (2000) and Roomusoks (2004).
It was assigned to Strophomenida by Sepkoski (2002); and to Furcitellinae by Williams et al. (2000) and Roomusoks (2004).
Species
Microtrypa estonica, Microtrypa minima, Microtrypa oelandica, T. altilis, T. ampla, T. cassata, T. estonica, T. minima, T. trigonalis (type species), T. winchelli
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1945 | Microtrypa Wilson |
| 1945 | Trigrammaria Wilson |
| 2000 | Trigrammaria Williams et al. p. 237 |
| 2002 | Microtrypa Sepkoski |
| 2002 | Trigrammaria Sepkoski |
| 2004 | Trigrammaria Roomusoks |
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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. †Trigrammaria Wilson 1945
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†Trigrammaria altilis Wilson 1945
†Trigrammaria ampla Percival 1991
†Trigrammaria cassata Williams 1962
†Trigrammaria estonica Roomusoks 1985
†Trigrammaria minima Roomusoks 1985
†Trigrammaria trigonalis Wilson 1945
†Trigrammaria winchelli Hall and Clarke 1892
Invalid names: Microtrypa Wilson 1945 [synonym]
Diagnosis
No diagnoses are available