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Streptotrochus
Taxonomy
Streptotrochus was named by Perner (1907) [Sepkoski's age data: S Ludl]. It is not extant. Its type is Streptotrochus rugulosus.
It was assigned to Elasmonematidae by Knight et al. (1960); and to Euomphalina by Sepkoski (2002).
It was assigned to Elasmonematidae by Knight et al. (1960); and to Euomphalina by Sepkoski (2002).
Species
S. amicus, S. cyclostoma, S. deciduus, S. densestriatus, S. incisus, S. mercurius, S. pressulus, S. rugulosus (type species)
Species lacking formal opinion data
Entered
by J. Sepkoski on 2003-01-23; modified by P. Wagner on 2014-05-26
Synonymy list
| Year | Name and author |
|---|---|
| 1907 | Streptotrochus Perner |
| 1960 | Streptotrochus Knight et al. p. 243 |
| 2002 | Streptotrochus Sepkoski |
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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. †Streptotrochus Perner 1907
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†Streptotrochus amicus Perner 1903
†Streptotrochus cyclostoma Whiteaves 1884
†Streptotrochus deciduus Williams and Breger 1916
†Streptotrochus densestriatus Lindström 1884
†Streptotrochus incisus Lindström 1884
†Streptotrochus mercurius Perner 1907
†Streptotrochus pressulus Tschernischeff 1885
†Streptotrochus rugulosus Perner 1907
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, superf = superfamily, c = class | |||||
| References: Kiessling 2004, Hendy 2009, Bambach et al. 2007 | |||||
Age range: base of the Rawtheyan to the top of the Middle Devonian or 448.80000 to 382.31000 Ma
Collections (14 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Rawtheyan | United Kingdom (Wales) | S. sp. (8370) | |
| Rhuddanian | Czechia (Bohemia) | S. mercurius (105700) | |
| Sheinwoodian | Sweden (Gotland) | Trochus incisus (4662 13592 13597 154965) Trochus incisus, Trochus wisbyensis (3977) | |
| Homerian | Czechia (Praha) | Planitrochus amicus (155396) | |
| Gorstian | Canada (Ontario) | Pleurotomaria cyclostoma (155012) | |
| Ludfordian | Czechia (Bohemia) | Planitrochus amicus (104939) | |
| Pridoli | Czechia (Praha) | S. rugulosus (155864) | |
| Lochkovian | USA (Maine) | Pseudotectus deciduus (103304) | |
| Pragian | Austria (Styrian) | Trochus pressulus (154376) | |
| Middle Devonian | USA (Alaska) | Planitrochus amicus (111900) |