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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Exechonellidae
Taxonomy
Exechonellidae was named by Harmer (1957).
It was assigned to Ascophora by Cheetham (1972); to Cheilostomata by Bock (2006); and to Arachnopusioidea by Schmidt (2003), Gordon and Taylor (2015), Di Martino and Taylor (2015).
It was assigned to Ascophora by Cheetham (1972); to Cheilostomata by Bock (2006); and to Arachnopusioidea by Schmidt (2003), Gordon and Taylor (2015), Di Martino and Taylor (2015).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1957 | Exechonellidae Harmer |
| 1972 | Exechonellidae Cheetham |
| 2003 | Exechonellidae Schmidt |
| 2006 | Exechonellidae Bock |
| 2015 | Exechonellidae Di Martino and Taylor |
| 2015 | Exechonellidae Gordon and Taylor |
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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.
Fm. †Exechonellidae Harmer 1957
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G. Exechonella
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†Exechonella chathamensis Gordon and Taylor 2015
Exechonella paucipunctata Brown 1956
G. †Oviexechonella Di Martino and Taylor 2015
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†Oviexechonella digeronimoi Di Martino and Taylor 2015
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class, uc = unranked clade | |||||
| References: Smith et al. 2006, Nesnidal et al. 2013 | |||||
Age range
Maximum range based only on fossils: base of the Early/Lower Eocene to the top of the Holocene or 56.00000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 48.07 Ma
Minimum age of oldest fossil (stem group age): 48.07 Ma
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Eocene | New Zealand (Chatham Island) | Exechonella chathamensis (172944) | |
| Priabonian | Tonga (Eua) | Triporula biarmata (166842) | |
| Serravallian | Indonesia | Exechonella sp. (173650) Oviexechonella digeronimoi (173653) | |
| Messinian | Morocco | Exechonella sp. (34724) | |
| Pliocene | Australia (South Australia) | Exechonella paucipunctata (172911 172913) | |
| Calabrian | Costa Rica (Limon) | Triporula stellata (79835) | |
| Holocene | USA (Florida) | Exechonella antillea (97607 97608 97609 97610) |