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Rissoina (Schwartziella)
Taxonomy
Schwartziella was named by Nevill (1881) [Sepkoski's age data: T Mi R Sepkoski's reference number: 650]. It is extant.
It was reranked as Rissoina (Schwartziella) by Gardner (1948), Desjardin (1949), Weisbord (1962), Rosenberg (1965) and Rosenberg (2005).
It was assigned to Rissoinae by Ladd (1972); to Rissoidae by Todd (2001); to Neotaenioglossa by Sepkoski (2002); and to Rissoina by Gardner (1948), Desjardin (1949), Weisbord (1962), Rosenberg (1965) and Rosenberg (2005).
It was reranked as Rissoina (Schwartziella) by Gardner (1948), Desjardin (1949), Weisbord (1962), Rosenberg (1965) and Rosenberg (2005).
It was assigned to Rissoinae by Ladd (1972); to Rissoidae by Todd (2001); to Neotaenioglossa by Sepkoski (2002); and to Rissoina by Gardner (1948), Desjardin (1949), Weisbord (1962), Rosenberg (1965) and Rosenberg (2005).
Subtaxa
Species lacking formal opinion data
Rissoina alabamenesis, Rissoina bakeri, Rissoina effusa, Rissoina elongata, Rissoina firmata, Rissoina flexuosa, Rissoina fragilis, Rissoina gisna, Rissoina hannai, Rissoina heterolira, Rissoina indrai, Rissoina juncea, Rissoina laurae, Rissoina nigeriensis, Rissoina plicata, Rissoina subornata, Rissoina supracosta, Schwartziella maiquetiana
Synonymy list
| Year | Name and author |
|---|---|
| 1881 | Schwartziella (Schwartziella) Nevill |
| 1881 | Schwartziella Nevill p. 82 |
| 1948 | Rissoina (Schwartziella) Gardner p. 193 |
| 1949 | Rissoina (Schwartziella) Desjardin p. 199 |
| 1962 | Rissoina (Schwartziella) Weisbord p. 122 |
| 1965 | Rissoina (Schwartziella) Rosenberg p. 66 |
| 1972 | Schwartziella Ladd p. 63 |
| 2001 | Schwartziella Todd |
| 2001 | Schwartziella (Schwartziella) Todd |
| 2002 | Schwartziella Sepkoski |
| 2005 | Rissoina (Schwartziella) Rosenberg p. 66 |
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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. Rissoina (Schwartziella) Nevill 1881
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Subg. Schwartziella (Pandalosia) Laseron 1956
Subg. Schwartziella (Schwartziella) Nevill 1881
Schwartziella bryerea Montagu 1803
Schwartziella catesbyana d'Orbigny 1842
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Invalid names: Rissoa scalarella Adams 1845 [synonym], Rissoina (Schwartziella) floridana Mörch 1876 [synonym]
Schwartziella fischeri Desjardin 1949
Schwartziella pleistocena Bartsch 1915
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| H. S. Ladd 1972 | Shell: minute to small, elongate-conic, non-umbilicate, solid, with axial ribs. Aperture oval, channelled posteriorly, rounded anteriorly; inner lip concave, thickened; peristome simple. Outer lip opisthocline, with strong varix. Base with or without spiral fold. Protoconch multi spiral or paucispiral, weakly sculptured with a spiral row of raised gemmules and very minute, scattered granules or minute, irregular pits. |
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Hendy et al. 2009, Kiessling 2004 | |||||
Age range
Maximum range based only on fossils: base of the Early/Lower Miocene to the top of the Late/Upper Pleistocene or 23.03000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 15.97 Ma
Minimum age of oldest fossil (stem group age): 15.97 Ma
Collections (30 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Miocene | Marshall Islands | Rissoina jirikana (78028) | |
| Middle Miocene | Indonesia | Rissoina indrai (70081 70107) | |
| Late/Upper Miocene | Marshall Islands | Rissoina mejilana (77991) Rissoina rilebana (78025 78026) | |
| Late/Upper Miocene | Indonesia | Rissoina indrai (70078) | |
| Early/Lower Pliocene | Venezuela (Sucre) | Rissoina venezuelana (41544) | |
| Late/Upper Pliocene | Mexico (Veracruz) | Schwartziella catesbyana (134767 134768 134769) | |
| Late/Upper Pliocene | Venezuela | Schwartziella maiquetiana, Schwartziella venezuelana (131218) Schwartziella venezuelana (131210 131363) | |
| Early/Lower Pleistocene | USA (Florida) | Rissoina floridana (41501 79331 79338) | |
| Pleistocene | USA (North Carolina) | Rissoina harpa (59313) | |
| Pleistocene | USA (California) | Rissoina pleistocena (237610) | |
| Middle Pleistocene | Bermuda | Rissoina bryerea (67966) | |
| Middle Pleistocene | USA (California) | Rissoina pleistocena (202493) | |
| Middle Pleistocene | USA (Florida) | Rissoina catesbyana (61310) | |
| Late/Upper Pleistocene | USA (California) | Rissoina pleistocena (59063 96566 160361 219029) | |
| Late/Upper Pleistocene | Bermuda | Rissoina bryerea (67948) | |
| Late/Upper Pleistocene | Tonga | Rissoina gracilis (78075) | |
| Late/Upper Pleistocene | USA (Florida) | Rissoina catesbyana (61311) Schwartziella chesnelii, Schwartziella catesbyana (96538) |