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Taxonomy
Securella was named by Parker (1949) [Sepkoski's age data: T Ol T Plio].
It was reranked as Chione (Securella) by Trumbull and Schumard (1958).
It was assigned to Chione by Trumbull and Schumard (1958); to Veneridae by Faustman (1964); and to Veneroida by Sepkoski (2002).
It was reranked as Chione (Securella) by Trumbull and Schumard (1958).
It was assigned to Chione by Trumbull and Schumard (1958); to Veneridae by Faustman (1964); and to Veneroida by Sepkoski (2002).
Species
Chione (Securella) ensifera, Chione (Securella) kanakoffi, S. alaskensis, S. bisculpta, S. carmanahensis, S. clallamensis, S. cryptolineata (syn. Chione lineolata, Chione mediostriata), S. elsmerensis, S. juanensis, S. montesanoensis, S. olympidea, S. panzana (syn. Chione diabloensis, Chione valentinei, Chione margaritana, Chione pabloensis), S. securis (syn. Venus parapodema), S. staleyi, S. vancouverensis
Synonymy list
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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. †Securella Parker 1949
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†Chione (Securella) ensifera Dall 1909
†Chione (Securella) kanakoffi Hertlein and Grant 1972
†Chione ensifera chehalisensis Weaver 1912
Securella alaskensis Clark 1932
†Securella bisculpta Dall 1909
†Securella carmanahensis Clark 1925
†Securella clallamensis Reagan 1909
†Securella cryptolineata Clark 1918
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Invalid names: Chione lineolata Clark 1918 [synonym], Chione mediostriata Clark 1918 [synonym]
†Securella elsmerensis English 1914
†Securella juanensis Loel and Corey 1932
†Securella montesanoensis Weaver 1912
†Securella olympidea Reagan 1909
†Securella panzana Anderson and Martin 1914
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Invalid names: Chione diabloensis Clark 1915 [synonym], Chione margaritana Anderson and Martin 1914 [synonym], Chione pabloensis Clark 1915 [synonym], Chione valentinei Wiedey 1929 [synonym]
Securella staleyi Gabb 1866
†Securella staleyi hannibali Howe 1922
†Securella vancouverensis Clark and Arnold 1923
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Kiessling 2004, Aberhan et al. 2004 | |||||
Age range
Maximum range based only on fossils: base of the Early/Lower Oligocene to the top of the Gelasian or 33.90000 to 1.80000 Ma
Minimum age of oldest fossil (stem group age): 27.3 Ma
Minimum age of oldest fossil (stem group age): 27.3 Ma
Collections (80 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Oligocene | USA (California) | Chione lineolata (71197 71198 71199 71200) | |
| Oligocene | USA (Washington) | Chione clallamensis (208178) | |
| Chattian | USA (Washington) | Chione carmanahensis (180405) S. ensifera (37576 37577 37579 37580 37583 37585 37588 37589 37590 37592) | |
| Chattian | Canada (British Columbia) | Chione vancouverensis (63087) | |
| Chattian | USA (Alaska) | Chione cryptolineata (195953 195954) Chione securis (195964) | |
| Late/Upper Oligocene | USA (California) | Chione cryptolineata, Chione lineolata, Chione mediostriata (122273) S. cryptolineata (72406) | |
| Aquitanian | USA (Washington) | S. ensifera (37560) | |
| Early/Lower Miocene | USA (California) | Chione elsmerensis (206370) Chione juanensis (238241 238245) Chione panzana (237340) S. panzana (44892) | |
| Early/Lower Miocene | USA (Washington) | S. ensifera (37574) | |
| Early/Lower Miocene - Middle Miocene | Mexico (Baja California Sur) | Chione securis (43804) | |
| Miocene | USA (California) | Chione valentinei (220094) | |
| Burdigalian | USA (Oregon) | Chione ensifera (39805) | |
| Burdigalian - Langhian | USA (Oregon) | Chione ensifera (39586) | |
| Langhian | USA (Oregon) | Chione ensifera (39799 39801) | |
| Langhian - Serravallian | Russian Federation | S. yiizukai (50038) | |
| Middle Miocene | Russian Federation | S. chehalisensis (45451) S. yiizukai (70446) | |
| Middle Miocene | USA (California) | S. panzana (44931) | |
| Tortonian | Russian Federation | S. yiizukai, S. securis (49978) | |
| Late/Upper Miocene | USA (California) | Chione elsmerensis (216865 216867 216868 216869 216900 216901 216911 216953 220184) Chione margaritana (237344) | |
| Late/Upper Miocene | USA (Alaska) | Chione ensifera (44098) | |
| Early/Lower Pliocene | USA (Oregon) | Venus securis (71146 71149) | |
| Early/Lower Pliocene | USA (California) | Chione elsmerensis (208580) Venus securis (96902 96904) | |
| Zanclean | Mexico (Baja California) | Chione elsmerensis (154115) | |
| Pliocene | Russian Federation | S. securis (49976) | |
| Pliocene | USA (California) | Paphia staleyi (215294 215435 216433) Venus securis (96885) | |
| Zanclean - Gelasian | USA (California) | S. kanakoffi (214256 214257 214258 214262 214263 214264 214265 214270 214271) | |
| Late/Upper Pliocene | Mexico (Baja California) | Chione kanakoffi (154116) | |
| Late/Upper Pliocene | USA (California) | Chione kanakoffi (238618 238622) | |
| Piacenzian | USA (California) | Chione kanakoffi (226581) | |
| Late/Upper Pliocene - Early/Lower Pleistocene | USA (Washington) | Venus securis (71109) | |
| Gelasian | USA (California) | S. kanakoffi (214278 214279 214280 214286) |