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Bulletin of the United States Geological Survey--Contributions to Devonian Paleontology . ilton species. Zone 2 of Gulf Brook section (11^55 A),—The 6-inch zone followingAl contains the following species: Faunule of zone 2 of Gulf Brook section (1455 A) [c, common; r, rare.] 1. Chonetes lepidus (r). 2. Camarotoechia stephani (r). 3. Ambocoelia gregaria (a). 4. Leptodesma spinigerum (r). 5. L. sp. (r). 6. Leiopteria sp. (r). 7. Goniophora chemungensis (c). Zone 3 of Gulf Brook section (1^55 A).Zone ]± of Gulf Brook section (11^55 A).of this zone holds the following fauna: -This zone is conceale
Bulletin of the United States Geological Survey--Contributions to Devonian Paleontology . ilton species. Zone 2 of Gulf Brook section (11^55 A),—The 6-inch zone followingAl contains the following species: Faunule of zone 2 of Gulf Brook section (1455 A) [c, common; r, rare.] 1. Chonetes lepidus (r). 2. Camarotoechia stephani (r). 3. Ambocoelia gregaria (a). 4. Leptodesma spinigerum (r). 5. L. sp. (r). 6. Leiopteria sp. (r). 7. Goniophora chemungensis (c). Zone 3 of Gulf Brook section (1^55 A).Zone ]± of Gulf Brook section (11^55 A).of this zone holds the following fauna: -This zone is 6 inches of sandstone Faunule of zone 4 of Gulf Brook section (1455 A).[a, abundant; c, common; r, rare.] 1. Chonetes lepidus (r). 2. C. setigerus (c). 3. Ambocoelia gregaria (r). 4. Nucula cf. bellistriata (r). 5. N. corbulif ormis (c). 6. Palseoneilo bisulcata var. (c). 7. P. constricta (a). 8. P. perplana (c). 9. P. plana (a). 10. P. cf. tenuistriata (r). 11. Leptodesma spinigerum (c). 12. Schizodus sp. (r). 13. Goniophora chemungensis (r). 14. Cypricardella gregaria (c)..
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