| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Parvamussium
Taxonomy
Amussium (Parvamussium) was named by Sacco (1897) [Sepkoski's age data: K Berr R Sepkoski's reference number: 1112]. It is extant. Its type is Pecten duodecimlamellatus.
It was reranked as Parvamussium by Tashiro and Kozai (1982), Moore (1984), Squires (1988), Beu et al. (1990), Maxwell (1992), Lamprell and Whitehead (1992), Coan et al. (2000), Sepkoski (2002), Spencer et al. (2004), del Rio et al. (2008), Waller (2011) and Ros-Franch et al. (2014); it was Propeamussium (Parvamussium) by Sundberg (1989) and Hickman (2023).
It was assigned to Amussium by Sacco (1897); to Pterioida by Sepkoski (2002); to Propeamussiidae by Tashiro and Kozai (1982), Moore (1984), Squires (1988), Beu et al. (1990), Maxwell (1992), Lamprell and Whitehead (1992), Coan et al. (2000), Spencer et al. (2004), del Rio et al. (2008), Waller (2011) and Ros-Franch et al. (2014); and to Propeamussium by Sundberg (1989) and Hickman (2023).
It was reranked as Parvamussium by Tashiro and Kozai (1982), Moore (1984), Squires (1988), Beu et al. (1990), Maxwell (1992), Lamprell and Whitehead (1992), Coan et al. (2000), Sepkoski (2002), Spencer et al. (2004), del Rio et al. (2008), Waller (2011) and Ros-Franch et al. (2014); it was Propeamussium (Parvamussium) by Sundberg (1989) and Hickman (2023).
It was assigned to Amussium by Sacco (1897); to Pterioida by Sepkoski (2002); to Propeamussiidae by Tashiro and Kozai (1982), Moore (1984), Squires (1988), Beu et al. (1990), Maxwell (1992), Lamprell and Whitehead (1992), Coan et al. (2000), Spencer et al. (2004), del Rio et al. (2008), Waller (2011) and Ros-Franch et al. (2014); and to Propeamussium by Sundberg (1989) and Hickman (2023).
Subtaxa
P. alaskense (syn. Pecten calamitus, Pecten (Propeamusium) levis, P. riversi, Pecten (Propeamusium) alaskensis), P. austriacum, P. bayosense, P. duodecimlamellatum, P. felsineum, P. lajollaensis, P. mata, P. mideocenicum, P. pumilum, P. retiaculum, P. salacon, P. scitulum, P. squalidulum, P. stanfordense, P. thetidis, P. torresi, P. vafer, Polynemamussium davidsoni, Polynemamussium intuscostatus, Propeamussiium (Parvamussium) mistensis, Variamussium anolense, Variamussium cancellatum, Variamussium clamosseum, Variamussium squamigerum
Species lacking formal opinion data
Synonyms
|
Synonymy list
| Year | Name and author |
|---|---|
| 1897 | Amussium (Parvamussium) Sacco |
| 1897 | Variamussium Sacco p. 49 |
| 1931 | Pecten (Variamussium) Weaver |
| 1939 | Ctenamussium Laws |
| 1944 | Squamamussium Oyama |
| 1951 | Polynemamussium Habe |
| 1953 | Variamussium Marwick p. 100 |
| 1982 | Parvamussium Tashiro and Kozai p. 75 |
| 1984 | Parvamussium Moore p. B9 |
| 1988 | Parvamussium Squires p. 18 |
| 1989 | Propeamussium (Parvamussium) Sundberg p. 53 |
| 1990 | Parvamussium Beu et al. p. 395 |
| 1992 | Parvamussium Lamprell and Whitehead p. 16 |
| 1992 | Parvamussium Maxwell p. 66 |
| 2000 | Parvamussium Coan et al. p. 244 |
| 2002 | Parvamussium Sepkoski |
| 2002 | Polynemamussium Sepkoski |
| 2004 | Parvamussium Spencer et al. |
| 2008 | Parvamussium del Rio et al. p. 284 |
| 2011 | Parvamussium Waller p. 25 |
| 2014 | Parvamussium Ros-Franch et al. |
| 2023 | Propeamussium (Parvamussium) Hickman p. 32 |
Is something missing? Join the Paleobiology Database and enter the data
|
|
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. Parvamussium Sacco 1897
show all | hide all
Parvamussium alaskense Dall 1871
hide
Invalid names: Parvamussium riversi Arnold 1906 [synonym], Pecten (Propeamusium) alaskensis Dall 1871 [synonym], Pecten calamitus Hanna 1924 [synonym]
†Parvamussium austriacum Traub 1938
†Parvamussium bayosense del Rio et al. 2008
†Parvamussium duodecimlamellatum Bronn 1832
†Parvamussium felsineum Foresti 1893
†Parvamussium lajollaensis Hanna 1927
†Parvamussium mata Maxwell 1992
†Parvamussium mideocenicum Vokes 1939
†Parvamussium pumilum Lamarck 1819
Parvamussium retiaculum Dijkstra 1995
†Parvamussium salacon Iredale 1929
†Parvamussium scitulum Smith 1885
Parvamussium squalidulum Dijkstra 1995
†Parvamussium stanfordense Arnold 1906
†Parvamussium thetidis Hedley 1902
†Parvamussium torresi Smith 1885
†Parvamussium vafer Marwick 1931
†Propeamussiium (Parvamussium) mistensis Hickman 2023
†Propeamussium duodecimlamellatum bronni Mayer 1861
Invalid names: Ctenamusium Iredale 1929 [synonym], Polynemamussium Habe 1951 [synonym], Squamamussium Oyama 1944 [synonym], Variamussium Sacco 1897 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| F. A. Sundberg 1989 | Propeamussium witha byssal notch present throughout ontogey. |
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| valve height | 1 | 18.9 |
|
|
||||
|
|
||||
|
|||||
|
|
||||
|
|
||||
| Source: f = family, o = order | |||||
| References: Aberhan et al. 2004, Kiessling 2004 | |||||
Age range
Maximum range based only on fossils: base of the Ladinian to the top of the Late/Upper Pleistocene or 242.00000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 237.0 Ma
Minimum age of oldest fossil (stem group age): 237.0 Ma
Collections (258 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ladinian | China (Sichuan) | P. sp. (25401) | |
| Norian | USA (Alaska) | Variamussium sp. (101051) | |
| Norian | Slovakia | Variamussium schafhaeutli (41471) | |
| Hettangian | Russian Federation | Variamussium personatum (39303) | |
| Hettangian - Pliensbachian | Chile (Coquimbo) | P. sp. (221995) | |
| Pliensbachian | Spain | P. pumilum (211857 211858 211859 211861 211862 211863 211864 211865 211866 211867 211868 211869 211870 212070 212071 212197 212208 212214 212222 212224 212225 212228 212229) | |
| Pliensbachian | Greenland | Variamussium sp. (162052) | |
| Pliensbachian - Toarcian | Argentina (Neuquen) | P. pumilum (36908) | |
| Late/Upper Pliensbachian - Early/Lower Toarcian | Chile | Propeamussium pumilum (95545) | |
| Late/Upper Pliensbachian - Early/Lower Toarcian | Argentina (Mendoza) | P. pumilum (36892) | |
| Early/Lower Toarcian | Portugal | P. pumilum (25963) | |
| Early/Lower Toarcian | Spain (Teruel) | P. pumilum (211171 211174 211179 211180 211184 211185 211189 211191 211194 211195 211197) | |
| Early/Lower Toarcian | Portugal (Coimbra) | P. pumilum (211044 211045) | |
| Early/Lower Toarcian | Chile | Propeamussium pumilum (95543 95559 95560 95637) | |
| Early/Lower Toarcian | Spain | P. pumilum (25614 25615 25616 25619 25620 25621 25661 25662 25663 25664 25665 25666 25667 25669 25670 25671 25672 25673 25674 25675 25771 25777 25778 25780 25781 25943 26154 26156 26321 26322 26323 26324 26327 26389 26395 26397 26398 26400 26401 26403) | |
| Early/Lower Toarcian | United Kingdom (Gloucestershire) | Variamussium pumilum (204115 204116 204117) | |
| Tenuicostatum | Japan (Yamaguchi) | P. sp. (38173) | |
| Early/Lower Toarcian - Middle Toarcian | Chile | Propeamussium pumilum (95561) | |
| Early/Lower Toarcian - Middle Toarcian | Spain | P. pumilum (25773 51613) | |
| Toarcian | France | P. pumilum (51608) | |