Basic info Taxonomic history Classification Relationships
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Synonymy list
No taxonomic opinions are available

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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.

No diagnoses are available
No measurements are available
No ecological data are available

Age range: base of the Early/Lower Givetian to the top of the Middle Turonian or 388.10000 to 89.30000 Ma

Collections (11 total)

Time interval Ma Country or state Original ID and collection number
Early/Lower Givetian388.1 - 383.7Czech Republic (Moravia) Vermes indet. (5767)
Norian228.0 - 208.5USA (New Jersey) Unisulcus magnus, Unisulcus minutus, Unisulcus marshi (46622)
Hettangian201.3 - 199.3USA (Massachusetts) Unisulcus intermedius, Cunicularis retrahens (52986)
Hettangian - Sinemurian201.3 - 190.8USA (Massachusetts) Unisulcus intermedius, Unisulcus minutus (91662) Unisulcus marshi, Unisulcus minutus, Cunicularius retrahens (52987) Unisulcus marshi, Unisulcus minutus, Unisulcus intermedius (52985) Unisulcus minutus, Unisulcus intermedius (52998)
Hettangian - Sinemurian201.3 - 190.8USA (Connecticut) Cunicularis retrahens (91573) Cunicularis spp. (91574) Unisulcus minutus (53000)
Middle Turonian93.5 - 89.3USA (New Mexico) Vermes indet. (23527)