| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Katianniformia
Taxonomy
Katianniformia was named by Bretfeld (1986). It is extant.
It was assigned to Appendiciphora by Sánchez-García and Engel (2016).
It was assigned to Appendiciphora by Sánchez-García and Engel (2016).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1986 | Katianniformia Bretfeld |
| 2016 | Katianniformia Sánchez-García and Engel p. 516 |
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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.
Infraor. Katianniformia Bretfeld 1986
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Superfm. Katiannoidea Börner 1913
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Fm. Katiannidae Börner 1913
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G. †Cretokatianna Sánchez-García and Engel 2016
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†Cretokatianna bucculenta Sánchez-García and Engel 2016
G. Sminthurinus Börner 1901
Invalid names: Collophoridae Bretfeld 1999 [empty], Spinothecidae Delamare-Deboutteville 1961 [empty]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, p = phylum | |||||
| References: Bush and Bambach 2015, Kiessling 2004 | |||||
Age range
Maximum range based only on fossils: base of the Late/Upper Albian to the top of the Langhian or 105.30000 to 13.82000 Ma
Minimum age of oldest fossil (stem group age): 99.6 Ma
Minimum age of oldest fossil (stem group age): 99.6 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Albian | Spain (Álava) | Fasciosminthurus sp. (108769) | |
| Middle Campanian | Canada (Alberta) | Keratopygos megalos (122390) | |
| Langhian | China (Fujian) | Sminthurinus sp. (220273) |