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Kawhiarhynchia
Taxonomy
Kawhiarhynchia was named by MacFarlan (1992) [Sepkoski's age data: J Call-l J Tith-u Sepkoski's reference number: 1068]. Its type is Rhynchonella (Cryptorhynchia) kawhiana.
It was assigned to Rhynchonellida by Sepkoski (2002); and to Acanthothiridinae by Williams et al. (2002).
It was assigned to Rhynchonellida by Sepkoski (2002); and to Acanthothiridinae by Williams et al. (2002).
Species
Entered
by J. Sepkoski on 2003-01-23; modified by M. Clapham on 2013-10-27
Synonymy list
| Year | Name and author |
|---|---|
| 1992 | Kawhiarhynchia MacFarlan p. 255 |
| 2002 | Kawhiarhynchia Sepkoski |
| 2002 | Kawhiarhynchia Williams et al. p. 1305 |
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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.
G. †Kawhiarhynchia MacFarlan 1992
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†Kawhiarhynchia kawhiana Trechmann 1923
†Kawhiarhynchia waiohipaensis MacFarlan 1992
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 8 | 5.04 | 1.30 | 19.4 | 6.15 | 6.72 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Heterian to the top of the Kimmeridgian or 164.30000 to 149.20000 Ma
Collections (32 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Callovian | New Zealand | K. sp. (133937) | |
| Heterian | New Zealand | K. kawhiana (63747) | |
| Heterian | New Zealand (Kawhia) | Cryptorhynchia kawhiana (35731) | |
| Oxfordian | New Zealand | K. kawhiana (56231 133958 133959 133960 133961 133962 133971 134086 134087 134088 134089 134101 134110 134160 134162) K. kawhiana, K. waiohipaensis (133956 133963 134102) K. waiohipaensis (133848 133858 133861 133862) Rhynchonella kawhiana (56290) | |
| Kimmeridgian | New Zealand | K. kawhiana (134009 134091 134136 134167) K. waiohipaensis (133865) | |
| Puaroan | New Zealand | K. kawhiana (63748) |