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Drepanoistodus basiovalis
Taxonomy
Oistodus basiovalis was named by Sregeeva (1963).
It was recombined as Drepanoistodus basiovalis by Tolmacheva et al. (2003).
It was recombined as Drepanoistodus basiovalis by Tolmacheva et al. (2003).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1963 | Oistodus basiovalis Sregeeva p. 96 figs. fig. 7:6-7; text fig. 3 |
| 2003 | Drepanoistodus basiovalis Tolmacheva et al. pp. 33 |
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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.
†Drepanoistodus basiovalis Sregeeva 1963
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Aberhan 1992 | |||||
Collections (91 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Ordovician | Canada (British Columbia) | Drepanoistodus basiovalis (177771 177772 177773 177775) | |
| Tremadoc | South Korea (Kangweondo) | Drepanoistodus basiovalis (203855) | |
| Hunneberg - Kunda | Russian Federation (Yaroslavl oblast) | Drepanoistodus basiovalis (235856) | |
| Floian | Peru | Drepanoistodus basiovalis (210687) | |
| Floian | China (Anhui) | Drepanoistodus basiovalis (203683 203685 203686 203690 203693) | |
| Floian | Russian Federation | Drepanoistodus basiovalis (61782 61783 61784 61785 61788 61789 61791 61792) | |
| Floian - Dapingian | Argentina (Jujuy) | Drepanoistodus basiovalis (210131) | |
| Dapingian | Argentina | Drepanoistodus basiovalis (204201) | |
| Dapingian | China (Anhui) | Drepanoistodus basiovalis (203674 203677 203678 203680 203681) | |
| Volkhov | Sweden (Kalmar) | Drepanoistodus basiovalis (99481) | |
| Volkhov | Sweden | Drepanoistodus basiovalis (203653 203654) | |
| Volkhov | Estonia (Harju) | Drepanoistodus basiovalis (203618 203619 203620 203621 203622 203634 203635 203636 203637 203638) | |
| Volkhov | Russian Federation | Drepanoistodus basiovalis (61779 61796 61797 61798 61799 61800 61801 61802 61803) | |
| Volkhov - Kunda | Sweden | Drepanoistodus basiovalis (203655 203656 203657) | |
| Whiterockian | Canada (Northwest Territories) | Drepanoistodus basiovalis (27078 27079 27081 27083) | |
| Whiterockian | Canada (British Columbia) | Drepanoistodus basiovalis (177774) | |
| Darriwilian | Argentina | Drepanoistodus basiovalis (210377 210378 210391 210392 210416 210453 210458 210460) | |
| Darriwilian | China (Anhui) | Drepanoistodus basiovalis (203669 203670 203671) | |
| Darriwilian | China (Zhejiang) | Drepanoistodus basiovalis (223088) | |
| Darriwilian | Canada (British Columbia) | Drepanoistodus basiovalis (177960 177963 177964 177965) | |
| Kunda | Sweden | Drepanoistodus basiovalis (203661 203662) | |
| Kunda - Aseri | Russian Federation (Kostroma oblast) | Drepanoistodus basiovalis (235820) | |
| Aluoja - Aseri | Sweden | Drepanoistodus basiovalis (210643 210644 210645 210646 210647 210650 210651 210652) | |
| Aseri - Uhaku | Russian Federation | Drepanoistodus basiovalis (235848) | |
| Lasnamagi | Estonia | Drepanoistodus basiovalis (210664) | |
| Lasnamagi | Lithuania | Drepanoistodus basiovalis (210665) | |
| Late/Upper Ordovician | Canada (British Columbia) | Drepanoistodus basiovalis (177796 177797 177799 177800) |