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Hildoceratoidea ✝
| Source Data |
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| Rank | superfamily (PBDB) | |||||||||||||||||||||||||||||||||||||||||||||
| Taxonomy (PBDB) | Life : Animalia : Mollusca : Cephalopoda : Ammonitida : Hildoceratoidea | |||||||||||||||||||||||||||||||||||||||||||||
| Classification (PBDB,GBIF) |
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| Opinions (PBDB) |
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| Status (PBDB) | extinct | |||||||||||||||||||||||||||||||||||||||||||||
| Taxon Size (PBDB) | 587 | |||||||||||||||||||||||||||||||||||||||||||||
| First Recorded Appearance | 201 - 199 Ma Early Jurassic | |||||||||||||||||||||||||||||||||||||||||||||
| Last Recorded Appearance | 122 - 112 Ma Early/Lower Cretaceous | |||||||||||||||||||||||||||||||||||||||||||||
| Motility | fast-moving (based on Ammonoidea) | |||||||||||||||||||||||||||||||||||||||||||||
| Vision | well-developed (based on Cephalopoda) | |||||||||||||||||||||||||||||||||||||||||||||
| Diet | carnivore (based on Ammonoidea) | |||||||||||||||||||||||||||||||||||||||||||||
| Taphonomy | aragonite (based on Ammonoidea) | |||||||||||||||||||||||||||||||||||||||||||||
| Primary Reference (PBDB) | M. K. Howarth. 2013. Treatise on Invertebrate Paleontology, Part L, Revised, Volume 3B, Chapter 4: Psiloceratoidea, Eoderoceratoidea, Hildoceratoidea. Treatise Online 57:1-139 | |||||||||||||||||||||||||||||||||||||||||||||
Subtaxa
| Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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| Graphoceratidae ✝ family | accepted (GBIF) listed (PBDB) | 344 | 183 Ma Early Jurassic | 170 Ma Middle Jurassic | |
| Hammatoceratidae ✝ family | accepted (GBIF) listed (PBDB) | 735 | 201 Ma Early Jurassic | 122 Ma Early/Lower Cretaceous | |
| Hildoceratidae ✝ family | accepted (GBIF) listed (PBDB) | 4,117 | 201 Ma Early Jurassic | 133 Ma Early/Lower Cretaceous | |
| Phymatoceratidae ✝ family | accepted (GBIF) listed (PBDB) | 639 | 183 Ma Early Jurassic | 180 Ma Early Jurassic | |
| Sonniniidae ✝ family | accepted (GBIF) listed (PBDB) | 217 | 176 Ma Early Jurassic | 170 Ma Middle Jurassic | |
| Diplesioceras ✝ genus | doubtful (GBIF) listed (PBDB) | 1 | 172 Ma Middle Jurassic | 172 Ma Middle Jurassic |
Synonymy List
| Year | Name and Author |
|---|---|
| 1867 | Hildocerataceae Hyatt |
| 1952 | Harpocerataceae Arkell p. 259 |
| 1964 | Hammatoceratoidea Schindewolf |
| 1981 | Hildocerataceae Donovan et al. |
| 1992 | Hildocerataceae Thomson and Smith p. 33 |
| 1993 | Hildocerataceae Arthur et al. p. 29 |
| Year | Name and Author |
|---|---|
| 1996 | Hildocerataceae Smith and Tipper p. 54 |
| 2006 | Hildoceratoidea Hillebrandt p. 229 |
| 2007 | Hildoceratoidea Sarih et al. p. 99 |
| 2009 | Hammatoceratoidea Kovács |
| 2013 | Hildoceratoidea Howarth p. 68 |
References
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
