| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Amaea
Taxonomy
Amaea was named by Adams and Adams (1853) [Sepkoski's age data: K u R Sepkoski's reference number: 1248]. It is extant.
It was assigned to Scalidae by Abbass (1967); to Neotaenioglossa by Sepkoski (2002); and to Epitoniidae by Allison (1955), MacNeil (1960), DuShane (1979), Dushane (1988), Todd (2001), Wienrich (2001), Squires and Saul (2003), Rosenberg et al. (2006), Moneer et al. (2024).
It was assigned to Scalidae by Abbass (1967); to Neotaenioglossa by Sepkoski (2002); and to Epitoniidae by Allison (1955), MacNeil (1960), DuShane (1979), Dushane (1988), Todd (2001), Wienrich (2001), Squires and Saul (2003), Rosenberg et al. (2006), Moneer et al. (2024).
Species
Species lacking formal opinion data
A. brevicula, A. bronni, A. decussata, A. delongchampsi, A. dickersoni, A. dupiniana, A. geniculata, A. grignonensis, A. hassani, A. macula, A. macula, A. macula, A. newtoni, A. niasensis, A. paleocaenica, A. perangusta, A. sculptata, A. subreticula, A. subreticulata, A. suroclathrata, A. texana, A. texana, A. thielei, A. triplicata, A. triplicata
Synonymy list
| Year | Name and author |
|---|---|
| 1853 | Amaea Adams and Adams |
| 1955 | Amaea Allison p. 422 |
| 1960 | Amaea MacNeil p. 44 |
| 1967 | Amaea Abbass p. 41 |
| 1979 | Amaea DuShane p. 97 |
| 1988 | Amaea Dushane p. 52 |
| 2001 | Amaea Todd |
| 2001 | Amaea Wienrich p. 450 |
| 2002 | Amaea Sepkoski |
| 2003 | Amaea Squires and Saul p. 28 |
| 2006 | Amaea Rosenberg et al. |
| 2024 | Amaea Moneer et al. |
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. Amaea Adams and Adams 1853
show all | hide all
Subg. Amaea (Acrilloscala) Sacco 1890
Subg. †Amaea (Undiscala) de Boury 1909
hide
†Acrilla (Undiscala) lolakensis Durham 1937
†Acrilla (Undiscala) olympicensis Durham 1937
†Acrilla (Undiscala) soriensis Eames 1952
†Acrilla (Undiscala) washingtonensis Weaver 1916
†Amaea cancellata Brocchi 1814
†Amaea cerva Squires and Saul 2003
†Amaea pentzia Squires and Saul 2003
†Amaea trifolia Squires and Saul 2003
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. L. Squires and L. R. Saul 2003 | Shell acuminate, whorls joined, and not um- biUcate. Protoconch smooth, conical, and polygrate. Su- ture impressed. Sculpture consisting of both axial and spi- ral ribs, usually cancellate (occasionally a few irregular varices). Basal keel prominent or weak (only a line and visible, or not, next to suture). Basal-disk sculpture sim- ilar to or unlike that on rest of teleoconch, axial ribs oc- casionally passing onto basal disk. Aperture ovate to quadrate (Clench & Turner, 1950; DuShane, 1974, 1979; Kilburn, 1985; Garvie, 1996; Neville. 2001). |
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|
||||
|
|
||||
| Source: f = family, c = class | |||||
| References: Kiessling 2004, Beu et al. 1990 | |||||
Age range
Maximum range based only on fossils: base of the Early/Lower Santonian to the top of the Gelasian or 85.70000 to 1.80000 Ma
Minimum age of oldest fossil (stem group age): 83.6 Ma
Minimum age of oldest fossil (stem group age): 83.6 Ma
Collections (58 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Santonian | USA (California) | A. cerva (69307) | |
| Late/Upper Santonian | USA (California) | A. trifolia (215319) | |
| Santonian | USA (California) | A. cerva (86781) A. trifolia (215307) | |
| Early/Lower Campanian | USA (California) | A. pentzia (3890) | |
| Late/Upper Campanian | Israel | Undiscala goryi (80990 80998) Undiscala sp. (80982) Undiscala vicina (80980 80986 80987 80988 80989 80993 80995 80996 80997) | |
| Late/Upper Maastrichtian | Egypt (Western Desert) | A. hassani (3148) | |
| Danian | USA (California) | Cerithiopsis alternata (190798) | |
| Danian | USA (Texas) | A. sp. (205466) | |
| Selandian | USA (California) | Acrilla sp. (90071) | |
| Waipawan | New Zealand | A. n. sp. A, A. n. sp. B (51084) | |
| Ypresian | United Kingdom (England) | A. sp. (8025) | |
| Ypresian | Saudi Arabia (Ash Sharqiyah) | A. brevicula (42459) | |
| Ypresian | Antarctica (Seymour Island) | A. suroclathrata (63550) | |
| Ypresian | USA (Texas) | A. macula (7788 84325) A. macula, A. texana (7789) A. texana, A. macula (83950) | |
| Lutetian | USA (Texas) | Acrilloscala sp. (90883 205517) A. sp. (205223) A. texana (205520) | |
| Lutetian | France | A. sculptata (171526) | |
| Bartonian | France | A. delongchampsi (78567) | |
| Bartonian | Egypt | A. ghorabensis (2958) | |
| Bartonian | Spain | A. sp. (142111) | |
| Bartonian | Pakistan | Acrilla soriensis (183853) | |
| Bartonian | USA (Washington) | Epitonium washingtonensis (200105) | |
| Bartonian | France (Picardie) | A. newtoni (178082) | |
| Rupelian | USA (Washington) | Acrilla olympicensis (62246) | |
| Chattian | USA (Washington) | Acrilla olympicensis (52357 52362 180405 208172) Epitonium washingtonensis, Acrilla washingtonensis (52380) | |
| Late/Upper Oligocene | USA (Washington) | Acrilla olympicensis (40737) | |
| Burdigalian | Italy | Discoscala scaberrima (178108) | |
| Middle Miocene | Australia (Victoria) | A. triplicata (179602) | |
| Late/Upper Miocene | Australia (South Australia) | A. triplicata (63439) | |
| Late/Upper Miocene | Japan | A. niasensis (42170) | |
| Zanclean | United Kingdom (England) | Scalaria cancellata (84755) | |
| Zanclean | Italy (Asti) | A. geniculata (86305) | |
| Late/Upper Pliocene | Japan (Fukushima) | A. thielei (62295) | |
| Piacenzian | Italy (Emilia-Romagna) | Acrilloscala geniculata (178117) | |
| Gelasian | Italy | A. cancellata (178457 178779) | |
| Pleistocene | Japan | A. magnifica (97028) |