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Tithonia
Taxonomy
Tithonia was named by Pomel (1883) [Sepkoski's age data: J Bath K Vala Sepkoski's reference number: 956]. Its type is Nucleolites convexus. It is the type genus of Tithoniidae.
It was reranked as Metaporinus (Tithonia) by Jesionek-Szymanska (1963).
It was assigned to Metaporinus by Jesionek-Szymanska (1963); to Disasteridae by Wagner and Durham (1966); to Disasteroida by Sepkoski (2002); and to Tithoniidae by Barras (2007), Gaillard et al. (2011).
It was reranked as Metaporinus (Tithonia) by Jesionek-Szymanska (1963).
It was assigned to Metaporinus by Jesionek-Szymanska (1963); to Disasteridae by Wagner and Durham (1966); to Disasteroida by Sepkoski (2002); and to Tithoniidae by Barras (2007), Gaillard et al. (2011).
Species
Entered
by J. Sepkoski on 2003-01-23; modified by M. Clapham on 2018-09-16
Synonymy list
| Year | Name and author |
|---|---|
| 1883 | Tithonia Pomel p. 49 |
| 1963 | Metaporinus (Tithonia) Jesionek-Szymanska p. 384 |
| 1966 | Tithonia Wagner and Durham p. U528 |
| 2002 | Tithonia Sepkoski |
| 2007 | Tithonia Barras p. 154 |
| 2011 | Tithonia Gaillard et al. p. 741 |
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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. †Tithonia Pomel 1883
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†Tithonia berriasensis de Loriol 1873
†Tithonia convexa Catullo 1827
†Tithonia munsteri Desor 1848
†Tithonia oxfordiana Gaillard et al. 2011
†Tithonia praeconvexa Jesionek-Szymanska 1963
†Tithonia transversa Cotteau 1867
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. G. Barras 2007 | Tithoniids with an endocyclic apical disc (cf. Jesionek Szymanska 1963: text-pl. 13, fig. 9). The peristome is angled to face towards the anterior. Plastron plating is amphisternous (Fig. 12B). The pore pairs are microscopic. |
Measurements
No measurements are available
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| Source: c = class, p = phylum | |||||
| References: Kiessling 2004, Aberhan 1992 | |||||
Age range: base of the Late/Upper Callovian to the top of the Albian or 165.30000 to 100.50000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Callovian | Poland | Metaporinus praeconvexa (196449) | |
| Middle Oxfordian | France | T. oxfordiana (68189) | |
| Late/Upper Hauterivian - Early/Lower Barremian | Hungary | Metaporinus heinzi (65933) | |
| Early/Lower Barremian | Hungary | Metaporinus heinzi (66034) | |
| Aptian - Albian | Antarctica | T. sp. (64195 216884 216888) |