Bulletin of the United States Geological Survey--Contributions to Devonian Paleontology . WILLIAMS ANDKINDLE. FAUNULES OF GULF BROOK SECTION. 97 Zone 5 of Gulf Brook section (1455 A).—Three and a half inches ofbeds above zone 4 are concealed. Zone 6 of Gulf Brook section (1455 A).—The 5 inches of soft oliveshale of this zone afford the following species: Faunule of zone 6 of Gulf Brook section (1455 A). 1. Lingula sp. (rare). 2. Pholadella radiata (rare). 3. Leptodesma spinigerum (abundant). The first of these species is extremely abundant, practically exclud-ing other forms. The three individ
Bulletin of the United States Geological Survey--Contributions to Devonian Paleontology . WILLIAMS ANDKINDLE. FAUNULES OF GULF BROOK SECTION. 97 Zone 5 of Gulf Brook section (1455 A).—Three and a half inches ofbeds above zone 4 are concealed. Zone 6 of Gulf Brook section (1455 A).—The 5 inches of soft oliveshale of this zone afford the following species: Faunule of zone 6 of Gulf Brook section (1455 A). 1. Lingula sp. (rare). 2. Pholadella radiata (rare). 3. Leptodesma spinigerum (abundant). The first of these species is extremely abundant, practically exclud-ing other forms. The three individuals of the third species arei smaller than specimens figured by Hall. Radiating stria? are absentfrom one of them. Zone 7 of Gulf Brook section (1455 A).—No fossils were collected| from this zone. Zone 8 of Gulf Brook section (1455 A).—This zone affords the fol-lowing faunule: Faunule of zone 8 of Gulf Brook section (1455 A).[a, abundant; r, rare.] 1. Stropheodonta (Douvillina) mucro- nata (r). 2. Delthyris mesicostalis (r). 3. Amboccelia gregaria (a). 4. Goniophora chemungen
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