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Taxonomy
Chionella was named by Cossmann (1886) [Sepkoski's age data: T Eo-u T Ol-l Sepkoski's reference number: 814].
It was replaced with Paradione by Dall (1886); it was reranked as Macrocallista (Chionella) by Vaughn (1921), Mansfield (1940); it was reranked as Pitar (Chionella) by Mandic and Steininger (2003).
It was assigned to Macrocallista by Vaughn (1921), Mansfield (1940); to Veneroida by Sepkoski (2002); and to Pitar by Mandic and Steininger (2003).
It was replaced with Paradione by Dall (1886); it was reranked as Macrocallista (Chionella) by Vaughn (1921), Mansfield (1940); it was reranked as Pitar (Chionella) by Mandic and Steininger (2003).
It was assigned to Macrocallista by Vaughn (1921), Mansfield (1940); to Veneroida by Sepkoski (2002); and to Pitar by Mandic and Steininger (2003).
Subtaxa
Species lacking formal opinion data
Chionella rutoti, Macrocallista cantui, Macrocallista sobrina, Meretrix floridella, Pitar aegyptiaca, Pitar affinis, Pitar aldrichi, Pitar altoumbonata, Pitar amichel, Pitar antillensis, Pitar arnoldi, Pitar arnoldi, Pitar ashiyaensis, Pitar astartiformis, Pitar astartiformis, Pitar beyrichi, Pitar biboraensis, Pitar bonnetensis, Pitar bosquesti, Pitar calcanea, Pitar californiana, Pitar californica, Pitar carbasea, Pitar carbeseus, Pitar castoriana, Pitar chejsliensis, Pitar chioneformis, Pitar chioneformis, Pitar cicinatus, Pitar circinatus, Pitar circinatus, Pitar citrina, Pitar columbiana, Pitar cornelli, Pitar cosanguineus, Pitar crocea, Pitar cypta, Pitar diminuta, Pitar duponti, Pitar duponti, Pitar eocenica, Pitar eocenica, Pitar euglypta, Pitar eversus, Pitar exiguus, Pitar fulminatus, Pitar gazleyensis, Pitar gigas, Pitar gretschischkini, Pitar hartti, Pitar hawtofi, Pitar heberti, Pitar hebraeus, Pitar hera, Pitar hinokumai, Pitar imitabilis, Pitar imitabilis, Pitar indecoroides, Pitar indistincta, Pitar irvajamensis, Pitar italica, Pitar italica, Pitar itoi, Pitar japonica, Pitar japonicum, Pitar jogjacartensis, Pitar juliae, Pitar julianum, Pitar kakertensis, Pitar kaniei, Pitar kavranensis, Pitar kempae, Pitar kryshtofovichii, Pitar kyushuensis, Pitar labeanus, Pitar labreanus, Pitar lamarcki, Pitar lavelanus, Pitar laziarina, Pitar lilacinoides, Pitar lorenzana, Pitar macbeani, Pitar macbeani, Pitar maiquetiensis, Pitar marensis, Pitar matheroni, Pitar megacostata, Pitar mendezensis, Pitar multifilosus, Pitar nitidula, Pitar nuttalliopsis, Pitar nuttalliopsis, Pitar nuttalliopsis, Pitar obliquata, Pitar obliquatum, Pitar obliquatus, Pitar obscurata, Pitar okadana, Pitar oraelongus, Pitar ornatus, Pitar ovalis, Pitar paraguaensis, Pitar perarcana, Pitar perbrevis, Pitar petroplitanus, Pitar planivetus, Pitar planivieta, Pitar pleschakovi, Pitar polytropa, Pitar poulsoni, Pitar prosayana, Pitar protena, Pitar pseudosubcyrenoides, Pitar pteleina, Pitar pteleinus, Pitar pyga, Pitar quimbrizensis, Pitar quipayensis, Pitar rakhiensis, Pitar raulini, Pitar recondita, Pitar rekinnensis, Pitar rhotomagensis, Pitar ripleyanus, Pitar rosea, Pitar rudis, Pitar saincenyensis, Pitar sannosawaensis, Pitar schafferi, Pitar sciena, Pitar sculpturata, Pitar sculpturatus, Pitar scutellaris, Pitar selae, Pitar selseiensis, Pitar semeliformis, Pitar semipunctata, Pitar soledadensis, Pitar splendida, Pitar stantoni, Pitar striata, Pitar subnasuta, Pitar subpellucida, Pitar subpellucida, Pitar subpellucidum, Pitar subpellucidus, Pitar sunakozakaensis, Pitar swedani, Pitar takashimaensis, Pitar thompsoni, Pitar tranquilla, Pitar trigoniata, Pitar turneri, Pitar turneri, Pitar undata, Pitar uvasana, Pitar uvasana, Pitar uvasanus, Pitar vetus, Pitar villanovae, Pitar villanovae, Pitar wasana, Pitar wolfi, Pitar woodwardi, Pitar yoakumi, Pitar zacachunensis
Entered
by J. Sepkoski on 2003-01-23; modified by A. Hendy on 2013-04-30
Synonymy list
| Year | Name and author |
|---|---|
| 1886 | Chionella Cossmann |
| 1921 | Macrocallista (Chionella) Vaughn |
| 1940 | Macrocallista (Chionella) Mansfield p. 196 |
| 2002 | Chionella Sepkoski |
| 2003 | Pitar (Chionella) Mandic and Steininger p. 278 |
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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.
Subg. †Pitar (Chionella) Cossmann 1886
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†Macrocallista (Chionella) perduensis Mansfield 1940
†Pitar (Chionella) despecta Deshayes 1857
†Pitar (Chionella) lunularia Deshayes 1825
†Pitar (Chionella) ovalina Deshayes 1857
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, c = class | |||||
| References: Kiessling 2004, Hendy et al. 2009, Aberhan et al. 2004 | |||||
Age range: base of the Danian to the top of the Burdigalian or 66.00000 to 15.98000 Ma
Collections (17 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Danian | Belgium | Chionella rutoti (26879 26880) | |
| Danian | Poland | Pitar duponti (27625) | |
| Eocene | Nigeria | Chionella sp. (46260) | |
| Priabonian | Romania | Pitar lunularia (102026) | |
| Early/Lower Oligocene | USA (Georgia) | Macrocallista sp. (60838) | |
| Early/Lower Oligocene | Mexico (Nuevo Leon) | Macrocallista cantui (43065 43066) | |
| Early/Lower Oligocene | Mexico (Tamaulipas) | Macrocallista cantui (43064) | |
| Rupelian | USA (Mississippi) | Macrocallista perduensis (205617) | |
| Rupelian | Mexico (Nuevo Leon) | Macrocallista cantui (43068) | |
| Rupelian | USA (Alabama) | Macrocallista sobrina, Macrocallista perduensis (205613) | |
| Burdigalian | Austria | Pitar italica, Pitar raulini (65161) Pitar lilacinoides (77402 77403 77404 77405) |