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Tamiosoma
Taxonomy
Tamiosoma was named by Conrad (1856) [Sepkoski's age data: T Mi-l R Sepkoski's reference number: 1036]. It is extant. Its type is Tamiosoma gregaria.
It was reranked as Balanus (Tamiosoma) by Woodring (1940).
It was assigned to Balanus by Woodring (1940); to Concavinae by Zullo (1992); to Cirripedia by Sepkoski (2002); and to Balaninae by Chan et al. (2021).
It was reranked as Balanus (Tamiosoma) by Woodring (1940).
It was assigned to Balanus by Woodring (1940); to Concavinae by Zullo (1992); to Cirripedia by Sepkoski (2002); and to Balaninae by Chan et al. (2021).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1856 | Tamiosoma Conrad p. 351 |
| 1940 | Balanus (Tamiosoma) Woodring p. 96 |
| 1992 | Tamiosoma Zullo p. 6 |
| 2002 | Tamiosoma Sepkoski |
| 2021 | Tamiosoma Chan et al. |
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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. Tamiosoma Conrad 1856
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†Tamiosoma advena Zullo 1992
†Tamiosoma gregaria Conrad 1856
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Invalid names: Balanus estrellanus Conrad 1857 [synonym], Menesiniella aquila Pilsbry 1907 [synonym]
Tamiosoma regalis Pilsbry 1916
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| V. A. Zullo 1992 | Alar sutural edge bifid, with blunt, denticulate outer edge and sharp, smooth inner edge; transverse septa of parietal tubes few and irregularly spaced or lacking (except T. regalis, with numerous, closely spaced transverse septa); exterior of scutum not nodose, broad tergal segment inflected, with concomitant shortening of tergal margin and truncation of basitergal angle; adductor and lateral depressor ridges of scutum nearly confluent; tergum beaked; tergal spur furrow closed; tergal spur long, placed a distance equal to or less than its own width from basiscutal angle. |
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range
Maximum range based only on fossils: base of the Early/Lower Miocene to the top of the Gelasian or 23.03000 to 1.80600 Ma
Minimum age of oldest fossil (stem group age): 15.97 Ma
Minimum age of oldest fossil (stem group age): 15.97 Ma
Collections (36 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Miocene | USA (California) | T. sp. (94852 160212) | |
| Middle Miocene | USA (California) | T. gregaria (160194) | |
| Tortonian | Panama | T. sp. (187583) | |
| Late/Upper Miocene | USA (California) | Balanus gregarius (44421 44423 44425 164674) T. gregaria (38044) | |
| Messinian | USA (California) | T. gregaria (160215) | |
| Zanclean | USA (California) | T. sp. (125338) | |
| Pliocene | Mexico (Baja California Norte) | T. gregaria (160371) | |
| Pliocene | USA (California) | T. gregaria (216433 216568 216865 216869) | |
| Late/Upper Pliocene | USA (Florida) | T. advena (160218 160332) | |
| Piacenzian | USA (California) | Balanus aquila (189541) Balanus gregarius (122752 226581) | |
| Gelasian | USA (California) | Balanus aquila (189561 189765 189768 207661 207663 207664 207666 207667 207673 207675 207676 207714) | |
| Pleistocene | Mexico (Baja California) | T. regalis (96594 160235 160236) |