. Bulletin of the United States Geological Survey--The Santa Clara Valley, Puente Hills and Los Angeles Oil Districts. iablespecies. Fig. 4a. Same specimen as fig. 4. Brachial valve. Fig. 5. Terebratalia smithi Arnold. L64977. Pedicle valve; longitude 29mm. Same Locality as fig. 1. More prominent ribbing than specimen!shown in fig. I. Fig. 5a. Same specimen as fig. 5. Brachial valve. Fig. 6. Terebratalia occidentalis Dall. 164996. Brachial valve; longitude40 mm. Same locality as fig. 4. This species is most variable, as isevidenced by this and the following figures, which sho

---

. Bulletin of the United States Geological Survey--The Santa Clara Valley, Puente Hills and Los Angeles Oil Districts. iablespecies. Fig. 4a. Same specimen as fig. 4. Brachial valve. Fig. 5. Terebratalia smithi Arnold. L64977. Pedicle valve; longitude 29mm. Same Locality as fig. 1. More prominent ribbing than specimen!shown in fig. I. Fig. 5a. Same specimen as fig. 5. Brachial valve. Fig. 6. Terebratalia occidentalis Dall. 164996. Brachial valve; longitude40 mm. Same locality as fig. 4. This species is most variable, as isevidenced by this and the following figures, which show a series col-lected lit one locality. Found in the lower Pliocene (and possibly upper Miocene I. Fig. 7. Same species and locality as fig. (>. Pedicle valve; longitude 29 mm. Fig. 7<i. Same specimen as fig. 7. Brachial valve. Fig. s. Same species and locality as fig. 6. Pedicle valve; longitude 22 mm. Fig. 8a. Same specimen as fig. s. Brachial valve. Fig. 9. Same species and locality as fig. (i. Pedicle valve of a less rugose variety] longitude 21 «;. Ud. Same specimen as fig. 8. Brachial valve. 250. V/: s ! W > . - \

---

Size: 1898px × 1316px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1900, bookidbulletinofunited309eldr