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Helminthophyllum
Taxonomy
Helminthophyllum was named by Schrammen (1937) [Sepkoski's age data: J Kimm-l Sepkoski's reference number: 1066]. It is not extant. Its type is Helminthophyllum feifeli. It is the type genus of Helminthophyllidae.
It was assigned to Astrophorida by Sepkoski (2002); and to Helminthophyllidae by Finks et al. (2004).
It was assigned to Astrophorida by Sepkoski (2002); and to Helminthophyllidae by Finks et al. (2004).
Species
H. feifeli (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1937 | Helminthophyllum Schrammen |
| 2002 | Helminthophyllum Sepkoski |
| 2004 | Helminthophyllum Finks et al. p. 197 |
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| References: Whittington et al. 1997, Kiessling 2004 | |||||
Age range: Kimmeridgian or 154.80000 to 149.20000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kimmeridgian | Germany | H. feifeli (74063) |