Sample Detail of
Sample: Sample No. 83RB9
Locality: Field No. 83RB9
Description: 1.5 m thick, silified, richly fossiliferous rubble zone in an an unnamed Devonian limestone unit on the south flank of Limestone Mountain. Horizon is 13.-7-15.2 m above the base of a carbonate sequence that is at least 100 m thick. SW1/4 NE1/4 sec. 26, T26S, R23E, Medfra B-4 quadrangle. Latitude: 63o 16'01" N; Longitude: 154o 32'44" W. Blodgett and Rohr (1989) Fig. 1 and Fryda and Blodgett (2004) Fig. 1 shows location.
Location: Alaska Quadrangle: Medfra B-4
Township&Range: T26S R23E Section: SW1/4 NE1/4 Sec. 26
Lat.: 63o16'01 " Long.: 154o32'44 "
Reference
Title: Gastropod opercula from the Silurian and Devonian of Alaska ,  2003
Report by: David M. Rohr , Robert B. Blodgett
Age: Emsian
Formation: Unnamed (Unnamed Lower Devonian limestone unit (part of the Whirlwind Creek Group))
Occurrence(s)
No. Group Name Qty Notes
1 Snails Operculum type 2 28 silicified opercula (specimen illustrated in Fig. 1.2-1.5)

Title: New Emsian (late Early Devonian) gastropods from Limestone Mountain, Medfra B-4 quadrangle, west-central Alaska (Farewell terrane), and their paleobiogeographic affinities and evolutionary significance ,  2004
Report by: Jiri Fryda , Robert B. Blodgett
Age: Emsian
Formation: Unnamed (Unnamed Devonian limestone unit)
Occurrence(s)
No. Group Name Qty Notes
1 Snails Quadricarina (Quadricarina?) noklebergi new species
2 Snails Balbinipleura krawczynskii new species
3 Snails Arctozone cooki new species
4 Snails Decorospira lepaini new species
5 Snails Decorospira? minutula new species
6 Snails Alaskiella medfraensis Fryda and Blodgett, 1998
7 Snails Alaskacirrus bandeli Fryda and Blodgett, 1998
8 Snails Farewellia heidelbergerae new species
9 Snails Palaeozygopleura (Rhenozyga) reifenstuhli new species
10 Snails Medfrazyga clauticae new species
11 Snails Nanochilina gubanovi new species
12 Snails Kuskokwimia moorei Fryda and Blodgett, 2001