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Gracianella
Taxonomy
Gracianella was named by Johnson and Boucot (1967). Its type is Gracianella lissumbra.
It was assigned to Atrypidae by Jin and Chatterton (1997); to Atrypida by Sepkoski (2002); and to Atrypininae by Williams et al. (2002).
It was assigned to Atrypidae by Jin and Chatterton (1997); to Atrypida by Sepkoski (2002); and to Atrypininae by Williams et al. (2002).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1967 | Gracianella Johnson and Boucot |
| 1997 | Gracianella Jin and Chatterton |
| 2002 | Claratrypa Sepkoski |
| 2002 | Gracianella Sepkoski |
| 2002 | Gracianella Williams et al. p. 1420 |
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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. †Gracianella Johnson and Boucot 1967
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Subg. †Gracianella (Guangyuania)
†Gracianella graciosa Havlicek 1990
†Gracianella lissumbra Johnson and Boucot 1967
†Gracianella rudicristata Jin and Chatterton 1997
Invalid names: Claratrypa [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Hendy 2009, Aberhan et al. 2004 | |||||
Collections (50 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Llandovery | USA (Nevada) | G. sp. (467) | |
| Llandovery | Greenland | G. sp. (188528) | |
| Llandovery - Wenlock | Canada (Northwest Territories) | G. lissumbra (26041) | |
| Aeronian | United Kingdom (Scotland) | G. sp. (153465) | |
| Sheinwoodian | Canada (Northwest Territories) | G. dimorpha (26011) | |
| Sheinwoodian | Canada (Nunavut) | G. dimorpha (26003 26009 26013 26014) | |
| Wenlock | Canada (Northwest Territories) | G. rudicristata (26059) | |
| Wenlock - Ludlow | Greenland | G. sp. (188491) | |
| Wenlock - Ludlow | Canada (Northwest Territories) | G. lissumbra (24918) | |
| Wenlock - Ludlow | China (Sichuan) | G. umbra (27805) | |
| Wenlock - Pridoli | USA (Nevada) | G. sp. (24853) | |
| Homerian | Canada (Northwest Territories) | G. sp. (497) | |
| Homerian | Czech Republic | G. plicumbra, G. umbra (14054) | |
| Homerian - Gorstian | Italy (Sardinia) | G. sp. (26177) | |
| Whitwellian | Canada (Northwest Territories) | G. rudicristata (26042 26048) | |
| Homerian - Jaagarahu | Lithuania | G. sublepida (192583) | |
| Gorstian | Czech Republic | Claratrypa clarula, G. umbrella (14106) G. crista (14056 14105) | |
| Gorstian - Ludfordian | Czech Republic | Claratrypa clarula, G. umbrella (14066) | |
| Ludlow | USA (Nevada) | G. crista (227120) G. plicumbra, G. lissumbra (204035) | |
| Ludlow - Pridoli | Tajikistan | G. umbra, G. lissumbra (13976) | |
| Ludfordian | Czech Republic | G. plicumbra (14108 14110) G. plicumbra, G. umbra (14111) G. umbra, G. graciosa (14072) G. umbra, G. plicumbra (14156) | |
| Ludfordian | Australia (New South Wales) | G. sp. (25634) | |
| Pridoli | Tajikistan | G. llissumbra (13977) | |
| Pridoli | Russian Federation | G. sublepida (24745 24751) | |
| Pridoli | Austria | G. sp. (14254 26202) | |
| Pridoli | Czech Republic | G. evanescens (14060 14114) G. graciosa (14045 14113 14157) G. sp. (14131) G. umbra (14073) | |
| Pridoli | Canada (Yukon Territory) | G. cryptumbra, G. lissumbra (26657) | |
| Pridoli | Canada (Yukon) | G. lissumbra (14004) G. sp. (14001) | |
| Pridoli - Lochkovian | Australia (Victoria) | G. sp. (646) | |
| Pridoli - Helderbergian | Italy (Sardinia) | G. sp. (26165) |