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Leptotrypa
Taxonomy
Leptotrypa was named by Ulrich (1883). Its type is Leptotrypa minima.
It was assigned to Heterotrypidae by Bassler (1911), Bassler (1953); and to Trepostomida by Sepkoski (2002).
It was assigned to Heterotrypidae by Bassler (1911), Bassler (1953); and to Trepostomida by Sepkoski (2002).
Species
L. enodis, L. hexagonalis, L. minima (type species), L. perforata, L. spinifera (syn. Anomalotoechus typicus)
Species lacking formal opinion data
Synonymy list
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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. †Leptotrypa Ulrich 1883
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†Leptotrypa enodis Ernst et al. 2015
†Leptotrypa hexagonalis Ulrich 1890
†Leptotrypa minima Ulrich 1883
†Leptotrypa perforata Ernst et al. 2015
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, p = phylum, uc = unranked clade | |||||
| References: Smith et al. 2006, Kiessling 2004, Nesnidal et al. 2013 | |||||
Age range: base of the Trentonian to the top of the Frasnian or 457.30000 to 372.15000 Ma
Collections (36 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Caradoc | USA (Georgia) | L. clavis (32547 32552 32553 32554 32557 32558) | |
| Kukruse | Estonia (Ida-Viru) | L. hexagonalis (167471) | |
| Trentonian | USA (Wisconsin) | L. hexagonalis (167621) | |
| Edenian | USA (Ohio) | L. sp. (384) | |
| Maysvillian - Ashgill | USA (Ohio) | L. sp. (389 390) | |
| Ashgill - Richmondian | Canada (Ontario) | L. expansa (26303) | |
| Homerian | Sweden (Gotland) | L. perforata, L. enodis (226712) | |
| Ludlow | Mongolia | L. rara (79648) | |
| Pridoli | Belarus | L. varians, L. spinifera (23650) | |
| Lochkovian | Belarus | L. sp. (23692) L. sp., L. spinifera (23671) | |
| Pragian | Argentina (San Juan) | L. sp. (226401) | |
| Pragian | Spain (Extremadura) | L. modesta (276142) | |
| Pragian | Czechia | Anomalotoechus typicus (83394 144101 229068) L. varia (83399 229069) L. varia, Anomalotoechus typicus (83400 229070) | |
| Emsian | Spain (Extremadura) | L. parva (276141) | |
| Late/Upper Emsian - Eifelian | Russian Federation (Arkhangel'skaya Oblast') | L. maculata (40708) | |
| Eifelian | Germany | L. prima (143797 143799 144084 144787) | |
| Givetian | Germany | L. prima (143798 144085) L. sp. (144098) | |
| Frasnian | France | L. cassa (38685) |