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Macoma (Rexithaerus)
Taxonomy
Rexithaerus was named by Conrad (1869) [Sepkoski's age data: T Mi-l R Sepkoski's reference number: 1112]. It is extant.
It was reranked as Macoma (Rexithaerus) by Oldroyd (1925), Durham (1944), Todd (2001) and Moore (2003).
It was assigned to Veneroida by Sepkoski (2002); and to Macoma by Oldroyd (1925), Durham (1944), Todd (2001) and Moore (2003).
It was reranked as Macoma (Rexithaerus) by Oldroyd (1925), Durham (1944), Todd (2001) and Moore (2003).
It was assigned to Veneroida by Sepkoski (2002); and to Macoma by Oldroyd (1925), Durham (1944), Todd (2001) and Moore (2003).
Subtaxa
Macoma (Rexithaerus) addicotti, Macoma (Rexithaerus) andersoni, Macoma (Rexithaerus) copelandi, Macoma (Rexithaerus) dexioptera, Macoma (Rexithaerus) diabloensis, Macoma (Rexithaerus) indentata, Macoma (Rexithaerus) panzana, Macoma (Rexithaerus) rosa, Macoma (Rexithaerus) sespeensis, Macoma (Rexithaerus) vanvlecki, Rexithaerus expansa, Rexithaerus secta (syn. Macoma edulis)
Species lacking formal opinion data
Macoma holmesii, Macoma lissonii, Macoma middendorffii, Macoma nipponica, Macoma nipponica, Macoma optiva, Macoma parabilella, Macoma planiuscula, Macoma pseudomera, Macoma quadrana, Macoma scarlotoi, Macoma sectior, Macoma sejugata, Macoma simiensis, Macoma tokyoense, Macoma tokyoensis, Macoma yoldiiformis, Rexithaerus spenceri
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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. Macoma (Rexithaerus) Conrad 1869
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†Macoma (Rexithaerus) addicotti Nikas 1977
†Macoma (Rexithaerus) andersoni Clark 1915
†Macoma (Rexithaerus) copelandi Wiedey 1928
Macoma (Rexithaerus) dexioptera Baxter 1977
†Macoma (Rexithaerus) diabloensis Clark 1915
†Macoma (Rexithaerus) indentata Carpenter 1864
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†Macoma (Rexithaerus) indentata flagleri Etherington 1931
†Macoma (Rexithaerus) indentata tenuirostris Dall 1900
†Macoma (Rexithaerus) panzana Wiedey 1928
†Macoma (Rexithaerus) rosa Hanna 1927
†Macoma (Rexithaerus) sespeensis Loel and Corey 1932
Macoma (Rexithaerus) vanvlecki Arnold 1909
Rexithaerus expansa Carpenter 1864
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, c = class | |||||
| References: Kiessling 2004, Aberhan et al. 2004, Sanchez Roig 1926 | |||||
Age range
Maximum range based only on fossils: base of the Thanetian to the top of the Late/Upper Pleistocene or 59.20000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 56.0 Ma
Minimum age of oldest fossil (stem group age): 56.0 Ma
Collections (88 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Thanetian | USA (California) | Macoma rosa (185193) | |
| Ypresian - Lutetian | USA (California) | Macoma rosa (200849) | |
| Lutetian | USA (California) | Macoma rosa (200716 200727 200767 201698 205253 207156 207182) | |
| Oligocene | USA (Washington) | Macoma indentata (208177) | |
| Chattian | USA (Washington) | Macoma secta (37576) | |
| Chattian | USA (Alaska) | Macoma secta (195953) | |
| Early/Lower Miocene | USA (California) | Macoma copelandi (44921 167645) Macoma secta (94853) | |
| Burdigalian - Langhian | Japan (Fukui ) | Macoma shiratoriensis (176560) | |
| Langhian | USA (California) | Macoma copelandi (206393) | |
| Langhian - Serravallian | Russian Federation | Macoma sectior, Macoma andersoni (50037) | |
| Middle Miocene | USA (California) | Macoma andersoni, Macoma diabloensis (44984) Macoma copelandi, Macoma panzana (44929 220066) Macoma panzana (44980) | |
| Tortonian | Russian Federation | Macoma vanvlecki (49978) | |
| Tortonian | Dominican Republic | Macoma sp. (74934 74935) | |
| Tortonian - Messinian | USA (California) | Macoma indentata (97234) | |
| Tortonian - Piacenzian | USA (California) | Macoma indentata (188305) | |
| Late/Upper Miocene | New Zealand | Angulus spenceri (45030) | |
| Late/Upper Miocene | USA (California) | Macoma andersoni (44425) Macoma diabloensis (164674) | |
| Hemphillian | USA (California) | Macoma secta (19342) | |
| Messinian | USA (California) | Macoma indentata (194801 195029 195034) Macoma secta (194895 195032) Macoma secta, Macoma indentata (194894) | |
| Messinian - Zanclean | USA (California) | Macoma indentata (39333 39395) | |
| Early/Lower Pliocene | USA (California) | Macoma indentata (97208 97210 97230 97235 97236 97241 97401) Macoma secta, Macoma indentata (97242 97404) Macoma secta, Macoma vanvlecki (206373) Macoma vanvlecki (220194) | |
| Pliocene | USA (California) | Macoma secta (215435 216865) Macoma vanvlecki (216867 216868 216869 216903) | |
| Late/Upper Pliocene | USA (California) | Macoma secta, Macoma nasuta (96571) | |
| Gelasian | USA (California) | Macoma indentata (207642 207649 207652 207690) Macoma secta (207716) | |
| Pleistocene | Mexico (Baja California) | Macoma secta (96590) | |
| Pleistocene | USA (California) | Macoma indentata (201624) | |
| Middle Pleistocene | USA (California) | Macoma indentata (138723) Macoma secta (222663 222664 222995 222998 223304) | |
| Middle Pleistocene | New Zealand (Wellington) | Rexithaerus spenceri (94818) | |
| Middle Pleistocene - Late/Upper Pleistocene | USA (California) | Macoma secta, Macoma edulis, Macoma expansa (222646) | |
| Late/Upper Pleistocene | USA (California) | Macoma expansa (37672) Macoma secta (22632 203417 222659 222662 222674 223045) Macoma secta, Macoma indentata (59063 96566 96895 160361 219029 219030 222660 222661) | |
| Late/Upper Pleistocene | Mexico (Sonora) | Macoma indentata (34934) |