ECHINODERMATA - KU ScholarWorks - University of Kansas

More documents

Recommendations

Info

UNIVERSITY OF KANSAS PALEONTOLOGICAL CONTRIBUTIONS PLATE 1 8 ECHINODERMATA, ARTICLE 3 4., - - V, --,S • •n• 0 0 .. „1,, ,' 1... At ip: _A, .‘ 4 • . r •- •--1147 ... -1,M111 4,611; • ,Y11 t , reer -• , ' - — l' • . •• t,,, i - ... , ., • . . . v. ' I... 1 • ‘ 7 . \ t%:: Y% 4 • "s• . IV. .,„. • if.. .,, N, -'11111R, ... • ' ' .... . ...„. "I V1 , , .. ';• -10 v .,.., 3 et FAY-BLASTOID STUDIES
BLASTOID STUDIES 65 complete specimens, University of Kentucky, Lexington. Plesiotypes, S3,782, 18 specimens, Springer collection, one illustrated, showing esophageal ring; 71,650, one specimen in rock figured by BUTTS, 1926, pi. 59, fig. 3, U. S. National Museum, Washington. Genus ELAEACRINUS C. F. Roemer, 1851 [=Olivanites (TRoosr, 1849, nom. nud.) LYON, 1857; Eleacrinus ETHERIDGE & CARPENTER, 1883] Type-species, by subsequent designation (Shumard, 1863).—E/acacrinus verneuili ROEMER, 1851 (=Pentretnites verneuili TROOST, 1841, nom. nod.). Generic diagnosis.—Spiraculate blastoids with 11 openings around oral opening, consisting of ten spiracles and anus separate, approximately 18-21 oral plates, one of which may not be an oral but an exposed superdeltoid plate, with three other exposed anal plates or two cryptodeltoids and hypodeltoid, one or two anal orals between adorai tips or cryptodeltoids; lancet covered by side plates, an inner side plate present, a single pore between side plates along deltoid and radial margins; deltoids long, overlapping radials, with two hydrospire folds on each side of an ambulacrum with medium-long hydrospire canal; form of calyx ellipsoidal, longer than wide. Devonian, Ohio, Indiana, Kentucky, Missouri. Remarks.—The genus Elaeacrinus was probably derived from a genus related to Troosticrinus, in which the small cryptodeltoids moved outward to the exterior, crowding the hypodeltoid between them, the superdeltoid began to migrate inward, the hydrospires became reduced to two on each side of an ambulacrum due to atrophy, the deltoids migrated downward, and many small oral plates coalesced to form a few large orals (18-21). ELAEACRINUS VERNEUILI C. F. Roemer Plate 28, figures 7-10; text-figs. 120, 121 Pentremites verneuili TROOST, 1841, p. 14 (nom. nod.). Pentatrematites verneuili BRONN, 1848, p. 946 (nom. nod.). Olivanites verneuili TROOST, 1849, p. 419 (nom, nod.); typespecies of Olivanites. Elaeacrinus verneuili ROEMER, 1851, p. 379, pl. 8, figs. la-d (typespecies of Elaeacrinus). Description.—Calyx calcitic, ellipsoidal in side view, subcircular in top view, 36 mm. long by 28 mm. wide, FIGURE 120. Elaeacrinus verneuili ROEMER, Middle Devonian, Jeffersonville Limestone, Jeffersonville, Indiana (Univ. Chicago, no. 9,956); summit area, X8. [Explanation.—An, anal opening; "C," amb.; CR, cryptodeltoid; "D," amb.; HD, hypodeltoid; 0, oral plate; S, spiracle; Su, superdeltoid.] EXPLANATION OF PLATE 18 FIGURE PAGE 1-7. Sagittoblastus tvanneri (Y Axovt,Ev), metatype, 102,187 (figs. 1-3), U.S. Natl. Mus., Permian, Krasnoufimsk, Urals, Russia; 1-3, oral, "D" ambulacral, aboral views of weathered specimen (all X6.7); metatype, 695, (figs. 4-7), Illinois Geol. Survey, Permian, Krasnoufimsk, Urals, Russia; 4-6, oral, "D" ambulacral, aboral views ( X4.9); 7, detail view of "AB" deltoid showing three hydrospire slits on each side in deep concavity ( X20.6) 44 8,9. Orophocrinus sirius (WHITE), holotype, 379, Harvard Mus. Comp. Zoology; Lower Mississippian, Burlington Limestone, Burlington, Iowa; oral and aboral views showing winglike radials ( X4) 39 1 0, 11. Pterotoblastus gracilis WANNER, topotype, S4,035, Springer coll., U.S. Natl. Mus.; Permian, Basleo beds, from Tonino, Kioe Kilo, near Basle°, Timor Island, East Indies; 10, detail oral view of oral area (approximately X5.5); 11, "B" ambulacral view (approximately X2.5) 44 12. Thaumatoblastos longiramus WANNER, topotype, S4,053, Springer coll., U.S. Natl. Mus.; Permian, Basleo beds, Basleo, Timor Island, East Indies; oral view of radial fragment showing side plates (X7) 45
Page 1:
THE UNIVERSITY OF KANSAS PALEONTOLO
Page 4 and 5:
4 THE UNIVERSITY OF KANSAS PALEONTO
Page 6 and 7:
Page 8 and 9:
Page 10 and 11:
10 THE UNIVERSITY OF KANSAS PALEONT
Page 12 and 13:
Page 14 and 15:
Page 16 and 17:
Page 18 and 19:
Page 20 and 21:
Page 22 and 23:
Page 24 and 25:
Page 26 and 27:
UNIVERSITY OF KANSAS PALEONTOLOGICA
Page 28 and 29:
Page 30 and 31:
Page 32 and 33: 30 THE UNIVERSITY OF KANSAS PALEONT
Page 36 and 37: UNIVERSITY OF KANSAS PALEONTOLOGICA
Page 66 and 67: UNIVE RsITY OF KANSAS PALEONTOLOGIC
Page 98 and 99: UNIVFRSITY OF KANSAS PAL FONTOL OGI
Page 120 and 121: UNIVERSITY OF KANSAS PAL FONTOLOGIC
Page 126 and 127: . UNIVERSITY OF KANSAS PALEONTOLOGI
Page 132 and 133:
UNIVI RSITY OF KANSAS PALTONTOLOGIC
Page 134 and 135:
Page 136 and 137:
100 THE UNIVERSITY OF KANSAS PALEON
Page 138 and 139:
Page 140 and 141:
Page 142 and 143:
Page 144 and 145:
Page 146 and 147:
Page 148 and 149:
Page 150 and 151:
, INIVERSITY OF KANSAS PALEONTOLOGI
Page 152 and 153:
1 1 0 THE UNIVERSITY OF KANSAS PALE
Page 154 and 155:
Page 156 and 157:
U NIVERSITY OF KANSAS PA I. EONTOLO
Page 158 and 159:
Page 160 and 161:
Page 162 and 163:
Page 164 and 165:
Page 166 and 167:
Page 168 and 169:
JNIVERSITY OF KANSAS PAL EONTOLOGIC
Page 170 and 171:
Page 172 and 173:
Page 174 and 175:
Page 176 and 177:
Page 178 and 179:
Page 180 and 181:
Page 182 and 183:
Page 184 and 185:
Page 186 and 187:
Page 188 and 189:
Page 190 and 191:
Page 192 and 193:
TNIVITSITY OF KANSAS PALFONTOLOGICA
Page 194 and 195:
Page 196 and 197:
Page 198 and 199:
Page 200 and 201:
Page 202 and 203:
Page 204 and 205:
show all

ECHINODERMATA - KU ScholarWorks - University of Kansas

Create successful ePaper yourself

Delete template?

Save as template?