Baza-1
Basic information
Sample name: Baza-1
Reference: P. Pinero, J. Agusti, O. Oms, H. A. Blain, C. Laplana, S. Ros-Montoya, and B. Martinez-Navarro. 2017. Rodents from Baza-1 (Guadix-Baza Basin, southeast Spain): filling the gap of the early Pliocene succession in the Betics. Journal of Vertebrate Paleontology 37:4(e1338294):1-19 [ER 3906]
Geography
Country: Spain
State: Granada
Coordinate: 37.483334° N, -2.784722° W
Coordinate basis: stated in text
Formation: Guadix-Baza Basin
Time interval: Early Pliocene
Zone: MN14
Max Ma: 4.9
Min Ma: 4.2
Age basis: other
Geography comments: Baza-1 is situated near Baza City, in the Seguidillas-Cuesta del Frances ravine, in Granada, Southern Spain
Faunal associations at the site are characteristic of early Ruscinian (MN14) age, constrained to 4.9 and 4.2 Ma
Faunal associations at the site are characteristic of early Ruscinian (MN14) age, constrained to 4.9 and 4.2 Ma
Environment
Lithology: mudstone
Taphonomic context: lake deposit
Habitat comments: "These palustrine subenvironments within the Baza Formation are generally built up by a succession of limestones and dark mudstones"
"All palaeontological material came from the ca. 1 m dark mudstones"
No specific taphonomic information is provided
The faunal composition indicates a grassy palaeoenvironment with the occasional presence of woodland patches and with palustrine subenvironments
"All palaeontological material came from the ca. 1 m dark mudstones"
No specific taphonomic information is provided
The faunal composition indicates a grassy palaeoenvironment with the occasional presence of woodland patches and with palustrine subenvironments
Methods
Life forms: ungulates,rodents,other small mammals,turtles
Sampling methods: quarry,screenwash
Sample size: 536 specimens
Years: 1999, 2000, 2001, 2002, 2015, 2016
Sampling comments: 402 identified rodent teeth were recovered from Baza-1, representing 11 taxa, 45 other remains of small mammals were found
Sediment was water-screened using superimposed 4, 1, and 0.5 mm mesh screens
Sediment was water-screened using superimposed 4, 1, and 0.5 mm mesh screens
Metadata
Sample number: 4295
Contributor: Jack Nesbitt
Enterer: Jack Nesbitt
Modifier no: John Alroy
Created: 2023-06-08 15:56:28
Modified: 2024-11-02 07:44:25
Abundance distribution
24 species
4 singletons
total count 536
geometric series index: 33.4
Fisher's α: 5.158
geometric series k: 0.8033
Hurlbert's PIE: 0.8318
Shannon's H: 2.2536
Good's u: 0.9925
Each square represents a species. Square sizes are proportional to counts.
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Register
| Ruscinomys cf. lasallei | 8 | |
| Apocricetus barrierei | 136 | |
| Stephanomys cordii | 20 | |
| Apodemus gorafensis | 19 | |
| Castillomys gracilis | 9 | |
| Paraethomys meini | 7 | |
| Paraethomys aff. abaigari | 154 | |
| Occitanomys cf. brailloni | 11 | |
| Eliomys intermedius | 31 | |
| Debruijnimys julii | 4 | |
| Trilophomys cf. vandeweerdi | 3 | |
| Trischizolagus maritsae | 34 | |
| Prolagus michauxi | 5 | |
| Desmaninae indet. | 1 | |
| Sorex sp. | 4 | |
| questionably assigned | ||
| Erinaceinae indet. | 1 | |
| Anancus arvernensis | 1 | |
| Mammut borsoni | 3 | |
| there are five molars, but they belong to three individuals | ||
| Stephanorhinus cf. jeanvireti | 3 | |
| Hipparion sp. | 1 | |
| compared to | ||
| Alephis sp. | 15 | |
| Antilope sp. | 14 | |
| compared to A. subtorta: 15 specimens are listed, but two belong to one individual | ||
| Cervinae indet. | 4 | |
| middle-sized | ||
| Testudinidae indet. | 48 | |
| "Testudinae indet." (surely a lapsus) | ||