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Sigmagraptidae
Taxonomy
Sigmagraptidae was named by Cooper and Fortey (1982).
It was assigned to Sinograpta by Maletz (2017); and to Sinograptina by Maletz et al. (2018), Toro and Herrera Sánchez (2019), Lo Valvo et al. (2020).
It was assigned to Sinograpta by Maletz (2017); and to Sinograptina by Maletz et al. (2018), Toro and Herrera Sánchez (2019), Lo Valvo et al. (2020).
Subtaxa
Entered
by N. Herrera Sánchez (authorized by E. Vlachos) on 2020-10-05
Synonymy list
| Year | Name and author |
|---|---|
| 1982 | Sigmagraptidae Cooper and Fortey |
| 2017 | Sigmagraptidae Maletz p. 114 |
| 2018 | Sigmagraptidae Maletz et al. p. 8 |
| 2019 | Sigmagraptidae Toro and Herrera Sánchez p. 502 |
| 2020 | Sigmagraptidae Lo Valvo et al. p. 538 |
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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. †Sigmagraptidae Cooper and Fortey 1982
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G. †Eotetragraptus Bouček and Přibyl 1952
G. †Praegoniograptus Rickards and Chapman 1991
G. †Sigmagraptus Ruedemann 1904
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Aberhan et al. 2004, Aberhan 1992 | |||||
Age range: base of the Bendigonian to the top of the Ningkuo or 474.90000 to 466.60000 Ma
Collections (37 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Ordovician | Argentina (Jujuy) | Sigmagraptus praecursor (220274) | |
| Ordovician | Argentina (Jujuy) | Etagraptus harti (238722) | |
| Hunneberg - Kunda | Russian Federation (Yaroslavl oblast) | Eotetragraptus quadribrachiatus, Eotetragraptus harti (235856) | |
| Ningkuo | China (ZheJiang) | Sigmagraptus sp. (7811) | |
| Floian | Russian Federation (Siberia) | Eotetragraptus harti (205381 205382 205383) Eotetragraptus headi (205565) Eotetragraptus sp. (206143) | |
| Floian - Dapingian | Russian Federation (Siberia) | Eotetragraptus harti (206142) | |
| Arenig | Canada (Newfoundland and Labrador) | Goniograptus sp. (78096) | |
| Arenig | USA (Nevada) | Eotetragraptus quadribrachiatus (412) | |
| Arenig | Canada (Yukon) | Etagraptus harii (204014) Goniograptus macer (204017) Goniograptus thureaui, Etagraptus harii (204019) Goniograptus thureaui, Goniograptus macer, Etagraptus harii (204026) Sigmagraptus praecursor (204034) Sigmagraptus sp., Goniograptus macer, Etagraptus harii (204028) | |
| Arenig | Australia (Queensland) | Goniograptus sp., Sigmagraptus praecursor (197370 197371) Sigmagraptus praecursor (197366 197367 197368) Sigmagraptus praecursor, Etagraptus harti (197369) | |
| Arenig | China (XinJiang) | Etagraptus sp. (20791) | |
| Bendigonian | New Zealand | Goniograptus thureaui (63191) | |
| Chewtonian - Castlemainian | USA (Idaho) | Goniograptus geometricus (145223) | |
| Castlemainian | New Zealand | Goniograptus sp. (63196) Goniograptus thureaui, Goniograptus macer, Tetragraptus harti (63284) | |
| Dapingian | Russian Federation (Siberia) | Tetragraptus harti, Eotetragraptus harti (205563) | |
| Yapeenian | New Zealand | Goniograptus macer (63331 63334) Goniograptus thureaui, Goniograptus macer, Goniograptus speciosus (63326) Tetragraptus harti (63362 63367) | |
| Darriwilian | Russian Federation (Siberia) | Eotetragraptus harti (205561) | |
| Llanvirn | USA (New York) | Goniograptus sp. (303) |