FAMILY DIPLOPORACEAE

TRIBE DIPLOPOREAE

GENUS Diplopora (SCHAFHÄUTL 1863) GÜVENÇ 1979

SPECIES Diplopora americana JOHNSON 1951

(by Anonymous)

1. Synonymy list

1951 Diplopora americana n. sp.- Johnson, p. 25, Pl. 8, fig. 5

1963 Diplopora americana.- Johnson, Pl. 53, fig. 2, from Johnson (1951: Pl. 8, fig. 5)

1965 Diplopora americana.- Kordé, Pl. LIV, fig. 5-6

1993 Diplopora americana.- Vachard et alii, Pl. I, fig. 6

2. Types

"type" (holotype): Pl. 8, fig. 5, thin section N° 1084, J.H. Johnson Collection, Colorado School of Mines, Golden, Colorado (U.S.A.)

type locality: Apache Mts, Texas (U.S.A.)

stratum typicum: Guadalupian, possibly Capitanian (probably from the Capitan Limestone as Johnson [1951] reports the association to a representative of the fusulinid genus Polydiexodina DUNBAR et SKINNER)

3. Diagnosis

original diagnosis (Johnson, 1951): « Thallus long, club-shaped; central stem of moderate thickness; primary branches in bundles of four, regularly arranged in evenly spaced horizontal rows. Branches appear to be thickest near the base and tapering gently to pointed end. Sporangia not observed. »

4. Description

Measurements (Johnson, 1951):

« Thallus, 15.85 mm. long, maximum width 3.08 mm.; average thickness calcified zone, 0.70 mm; diameter branches (pores), 0.125 to 0.138 mm. near base. »

5. Remarks

6. Stratigraphic range

Guadalupian (Kordé, 1965), Capitanian (Johnson, 1951), Dzhulfian reworked (Vachard et alii, 1993)

7. Real distribution

Armenia (Kordé, 1965), Greece (Vachard et alii, 1993), U.S.A. (Johnson, 1951)

8. Paleoecology