| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Exechonella
Taxonomy
Exechonella was named by Canu and Bassler (1924) [Sepkoski's age data: T Eo-m-l R Sepkoski's reference number: 2,1066]. It is extant. Its type is Exechonella paucipunctata. It is the type genus of Exechonellidae.
It was assigned to Arachnopusiidae by Bassler (1953), Brown (1956); to Cheilostomata by Sepkoski (2002); and to Exechonellidae by Schmidt (2003), Bock (2006), Gordon (2012), Gordon and Taylor (2015), Di Martino and Taylor (2015).
It was assigned to Arachnopusiidae by Bassler (1953), Brown (1956); to Cheilostomata by Sepkoski (2002); and to Exechonellidae by Schmidt (2003), Bock (2006), Gordon (2012), Gordon and Taylor (2015), Di Martino and Taylor (2015).
Species
E. chathamensis, E. paucipunctata (type species)
Species lacking formal opinion data
Synonyms
|
Synonymy list
| Year | Name and author |
|---|---|
| 1924 | Exechonella Canu and Bassler |
| 1949 | Hippexechonella Vigneaux |
| 1953 | Exechonella Bassler p. G167 |
| 1953 | Hippexechonella Bassler p. G167 |
| 1956 | Exechonella Brown |
| 2002 | Exechonella Sepkoski |
| 2002 | Hippoexechonella Sepkoski |
| 2003 | Exechonella Schmidt |
| 2006 | Exechonella Bock |
| 2012 | Exechonella Gordon p. 8 |
| 2015 | Exechonella Di Martino and Taylor |
| 2015 | Exechonella Gordon and Taylor |
Is something missing? Join the Paleobiology Database and enter the data
|
|
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.
G. Exechonella Canu and Bassler 1924
show all | hide all
†Exechonella chathamensis Gordon and Taylor 2015
Exechonella paucipunctata Brown 1956
Invalid names: Hippexechonella Vigneaux 1949 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
| Source: f = family, o = order, c = class, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Smith et al. 2006 | |||||
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 (9 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Eocene | New Zealand (Chatham Island) | E. chathamensis (172944) | |
| Serravallian | Indonesia | E. sp. (173650) | |
| Messinian | Morocco | E. sp. (34724) | |
| Pliocene | Australia (South Australia) | E. paucipunctata (172911 172913) | |
| Holocene | USA (Florida) | E. antillea (97607 97608 97609 97610) |