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Longchaeus
Taxonomy
Longchaeus was named by Mörch (1875) [Sepkoski's age data: T Eo-m-u R Sepkoski's reference number: 700]. It is extant.
It was reranked as Pyramidella (Longchaeus) by Oostingh (1935), Pilsbry and Olsson (1941) and Addicott (1970).
It was assigned to Pyramidella by Oostingh (1935), Pilsbry and Olsson (1941) and Addicott (1970); to Pyramidellidae by Todd (2001); to Heterostrophia by Sepkoski (2002); and to Pyramidellinae by Rosenberg (2005).
It was reranked as Pyramidella (Longchaeus) by Oostingh (1935), Pilsbry and Olsson (1941) and Addicott (1970).
It was assigned to Pyramidella by Oostingh (1935), Pilsbry and Olsson (1941) and Addicott (1970); to Pyramidellidae by Todd (2001); to Heterostrophia by Sepkoski (2002); and to Pyramidellinae by Rosenberg (2005).
Species lacking formal opinion data
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. Longchaeus Mörch 1875
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Subg. Longchaeus (Longchaeus) Mörch 1875
Longchaeus mexicanus Arnold 1903
†Pyramidella (Longchaeus) cooperi Anderson and Martin 1914
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: f = family, c = class | |||||
References: Kiessling 2004, Hendy et al. 2009 |
Age range
Maximum range based only on fossils: base of the Lutetian to the top of the Late/Upper Pleistocene or 47.80000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 41.3 Ma
Minimum age of oldest fossil (stem group age): 41.3 Ma
Collections (15 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Lutetian | USA (Texas) | Pyramidella larvata (205440) | |
Bartonian | USA (Alabama) | Pyramidella larvata (90600 205489) | |
Bartonian | USA (Mississippi) | Pyramidella larvata (205526) | |
Langhian | USA (California) | Pyramidella cooperi (206393) | |
Early/Lower Pliocene | Trinidad and Tobago | Pyramidella sp. A (60415) | |
Pliocene | Indonesia | Pyramidella sp. (84523) | |
Late/Upper Pliocene | Venezuela | L. candidus (131218) | |
Late/Upper Pliocene | Mexico (Veracruz) | L. diademata, L. canaliculata (134767 134768) | |
Early/Lower Pleistocene | USA (Florida) | L. sp. (41501) | |
Calabrian | USA (Florida) | L. sp. a (41705) | |
Late/Upper Pleistocene | USA (Florida) | L. suturalis (96538) | |
Late/Upper Pleistocene | Saudi Arabia | L. crenulata (192720) | |
Late/Upper Pleistocene | USA (California) | Pyramidella conica (222660) |