PBDB Collection

Garitas, B1 (Eocene of Western Sahara)

Where: Western Sahara (23.3° N, 16.1° W: paleocoordinates 21.4° N, 19.2° W)

• coordinate estimated from map

When: Guerran Member (Samlat Formation), Priabonian (38.0 - 33.9 Ma)

• late Eocene

Environment/lithology: marine; conglomeratic sandstone

Size class: macrofossils

Primary reference: S. Zouhri, P. D. Gingerich, N. Elboudali, S. Sebti, A. Noubhani, M. Rahali, and S. Meslouh. 2014. New marine mammal faunas (Cetacea and Sirenia) and sea level change in the Samlat Formation, Upper Eocene, near Ad-Dakhla in southwestern Morocco. Comptes Rendus Palevol 13(7):599-610 [M. Uhen/M. Uhen/P. Wagner]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 159113: authorized by Mark Uhen, entered by Mark Uhen on 27.07.2014, edited by Evangelos Vlachos

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

unclassified
-	Sirenia indet.¹, Proboscidea indet.¹ Sirenia indet.¹ Proboscidea indet.¹
Actinopteri
Scombriformes - Scombridae	? Scomberomorini indet.² ? Scomberomorini indet.² Starks 1910 FSAC DAK-12, incomplete left dentary (Fig. 3d, e); FSAC DAK-353, fragment of posterior part of right premaxilla (Fig. 3h, i); FSAC DAK-89, fragment of posterior part of premaxilla.
Scombriformes -	Scombroidei indet.² Scombroidei indet.² Bleeker 1859 FSAC DAK-407/2, hypural plate
Siluriformes - Ariidae	? Ariidae indet.² ? Ariidae indet.² Berg 1958 Ariid catfish FSAC DAK-189, incomplete dorsal spine
Reptilia
Squamata - Palaeophiidae	Pterosphenus sp.² Pterosphenus sp.² Lucas 1898 snake FSAC DAK-349 (Fig. 8a–f), FSAC DAK- 350 (Fig. 8g–l), isolated vertebrae.
Testudines - Testudinidae	Testudinidae indet.² Testudinidae indet.² Batsch 1788 turtle FSAC DAK-116/1 (Fig. 6a–d), right sev- enth peripheral plate, posterior extremity of the bridge. FSAC DAK-130 (Fig. 6e, f), possible neural plate.
Testudines - Dermochelyidae	cf. Egyptemys sp.² cf. Egyptemys sp.² Wood et al. 1996 leatherback FSAC DAK-58/7 (Fig. 6i, j), FSAC DAK- 138 (Fig. 6k–m), smooth ossicles.
Testudines - Cheloniidae	Cheloniidae indet.² Cheloniidae indet.² Bonaparte 1832 sea turtle FSAC DAK-123 (Fig. 6g, h), isolated neural plate; FSAC DAK-127, fragment of neural plate.
Testudines - Podocnemididae	cf. Cordichelys aff. antiqua² cf. Cordichelys aff. antiqua² Andrews 1903 sideneck turtle FSAC DAK-58/3 (Fig. 4i, j), plastral frag- ment; FSAC DAK-58/4 and FSAC DAK-121, possible plastral fragments; FSAC DAK-58/6, FSAC DAK- 58/9-10 (Figs 4k, l, 5), FSAC DAK-128, FSAC DAK- 132, FSAC DAK-133 (Figs 4a–c, 5), FSAC DAK-136 (Figs 4d–f, 5), FSAC DAK-185 (Figs 4o–r, 5), FSAC DAK-325/2, peripheral plates (complete or fragment- ary); FSAC DAK-131 (Figs 4m, n, 5), FSAC DAK- 407/1 (first right costal (Fig. 4g, h); and FSAC DAK- 325/2, costal plates (fragmentary). Possible unlocated fragments: FSAC DAK-122, FSAC DAK-139.
Loricata -	Eusuchia indet.² Eusuchia indet.² crocodilian FSAC DAK-310 (Fig. 7n–r), posterior cer- vical vertebra; FSAC DAK-342 (Fig.7d, e), frag- mentary dorsal centrum; FSAC DAK-341 (Fig. 7f–j), lumbar centrum; FSAC DAK-157 (Fig. 7k, l), dorsal osteoderm; FSAC DAK-58/1 (Fig. 7m), partial vent- ral osteoderm; FSAC DAK-156 (Fig. 7v–y) and FSAC DAK-155 (Fig. 7s–u), teeth; FSAC DAK-134 (Fig. 7a–c), partial femur.
Aves
Odontopterygiformes - Pelagornithidae	Pelagornithidae indet.² Pelagornithidae indet.² Fürbringer 1888 bird FSAC DAK-405 (Fig. 9a–c), portion of left mandible bearing pseudo-teeth (two fragments); FSAC DAK-187 (Fig. 9d–f), small fragment of rostral por- tion of right mandible bearing pseudo-teeth.
Mammalia
Cetacea - Basilosauridae	cf. Saghacetus sp., Dorudon atrox cf. Saghacetus sp. Gingerich 1992 whale Dorudon atrox Andrews 1906 whale

¹Zouhri et al. 2019; ²Zouhri et al. 2017