PALAOZOIC. GASTEROPODA. PERMIAN. 
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SPECIES. |e ialelal REFERENCES. 
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CHITONID®. 
| Chitonellus............ Lamarck, 1819... 
| — antiquus ............ TET OUOS 6 Svcs tessa seefees[eeepees *|--|--| Calyptrea antiqua, Howse, Cat. Perm. Foss. p. 24; ib. Trans. Tyneside Nat. Field 
Club, vol. i, p. 242; ib. Ann. Mag. Nat. Hist. 2 ser. vol. xix, p. 464, t. 4, 
1 16, 17. Chitonellus, Q. J. Geol. Soc. 1859, vol xv, p. 619, t. 16, £. 15-23; ib. 
Geinitz, Dyas. Zechst. und das Roth. p. 15, woodcut 8, f. 1-3. 
== GistOrtus ...s.es+-- BUrkby ...ceseeeee veefeesfee fees * |---|] Q. J. Geol. Soc. 1859, vol. xv, p. 623, t. 16, f. 28-30, Geinitz, Dyas. p. 56, wood- 
cut 85) ip. 555 o. LO 
| + Gry? 
i Hancockianus...... KArkeby) ...ccescrsse sealeseleealione % |-+-/--| Q. J. Geol. Soe, 1859, vol. xv, p. 621, t. 16, f. 1-13; ib. Geinitz, Dyas. Zechst. und 
| das Roth. p. 56, woodeut 8; p. 55, f. 4-9. 
= subantiquus ...... TOGIAN penpacoodsoe fac||ooel|eea| soe *|--[--| Geol. Mag. vol. iv, p. 341, t. 16, f. 12, 13. 
DENTALIADE. 
| Dentalium .......-.... Linnaeus, 1740 ... 
f=) Sorby! <\.uesrescseree TQ po pee 0000000 vee[ee[oofe | *|ee[...] Mono. Brit. Perm. Foss. Pal. Soc. p. 218. Dentalium Speyeri, Geinitz, Howse, Notes 
} on the Perm. Syst. p. 50, 1858. D. Speyeri, Geinitz, Uber den Zechst. Wetterau, 
1852; ib. Jahres. der Wetterau Gesell. 1850-51, p. 198. D. Sorbyi, Geinitz, 
Dyas. D. Speyeri, Dyas. Zechst. und das Roth, p. 57, t- 12, f.7-13. D. Sorbyi, 
Kirkby, Q. J. Geol. Soc. vol. xvii, p. 302. 
SR SPEY ETL leceuetentess GCUNEZ cc ecenareen mae |Go| see! fase ves[aee|...| Vide D. Sorbyi. 
FEUVING 605.0 enareer sevens Risso, 1826 ...... 
— symmetric .......4. UGG) sepoonesocanete Exel [Foe Sp foo vee{ees|...| Wide Macrocheilus. 
Eulima symmetrica ... Howse .......0000 335 |Bciolfene| S80 .-|...|...| Vide Turbonilla symmetrica. 
Euomphalus ,, ... Sowerby, 1814 ...|...)ee-]...[e.. ve|.../...| Vide Straparollus (Montf.). 
tCOTUNG Hevsess cosceree Férrusac, 1821... 5 
| — helicina ...........+ Howse .. eallscalesel'eaclived ...|...|...| Vide Straparollus Permianus and Natica minima, Brown, 
| — Hercynica .,..., ... Geinitz ........0+- Leellroael lected eres w[..[...| Vide Natica Leibnitziana, King. 
| Lowonema .......000000+5 
| — fasciata .. aC Vide Turbonilla Phillipsii. 
| — Geinitziana Bera King) scosneteatseass aallenarcea| ses v|...{.| Vide Turbonilla Phillipsii. 
| — Swedenborgiana.., King vii. seclece|c feee{eee{eee{eee] Pade Turbonilla (Chemnitzta) Reessleri. 
Macrocheilus............ Phillips, 1841 
Bucci, ..os-2+:00. SD acccesecacaesece ses 
| — symmelricus.......+ TQ Deqnobeeconrnco eee[ee [eoefeee velee|o| Vide Turbonilla. 
| NAticipD£. 
WNGHLCR, eovecscccetessaces Adanson, 1757... 
| — Hereynica .......+. Gaia ee hes |W. wcleec|eee| Vide N. Leibnitziana. 
|= Wheibnitzianay jeer. Aig) sevesses.cee S54|lec)|be9) fa50 x |......| Mono. Brit. Perm. Foss. Pal. Soc. p. 212, t. 16, f. 27, 28. N. Hercynica, Geinitz, 
| | Deutsch. Zechst. p. 7, t. 3, f. 11-13. 
| — minima............... BeOWN G52. cans c vesfese] ge feee] ae [ee-]---| vans. Manch. Geol. Soc. vol. i, p. 64, t. 6, £.22->4. Kirkby, Q. J. Geol. Soe. 1861, 
| p. 362, t. 7, f. 7, 8. Natica minima, Brown, Geinitz, Dyas. Zechst. und das Roth. 
| HALtoTip®. p. 50, t. 11, f. 20-22. ? Cast of Iissoa oblusa, Natica Hercynica, Geinitz, 
Bloneotoriacianete De France, 1825 Deutsch. Zechst. p. 7, t. 3, £. 11-13. 
| Scissurella ......... D Orbigny, 182 
=F ATIGLIN Das sees ve cicele nae ISCULOCI ss sesasuex ess eal coral sealieee eal celles T,-ochilites antrinus, Schloth. Denks. der K. Akad. Wissen. Minchen, vol. vi, p. 32, 
t. 7, £.6,1816. P. Sedgwickiana, Howse, Trans. Tyneside Nat. Field Club, vol. i, 
yh Bete Leb Tunstallensis, King, Mono. Brit. Perm. Foss. Pal. Soc p. 216, t. 17, 
f. 3-5. P.antrina, Howse, Notes on the Perm. Syst. p. 49, 6. 1, f. 21-25, 1858. 
P. antrina, Geinitz, Dyas. Zechst. und das Roth. p. 51, woodeut, f. 5. P. antrina, 
f Howse, Ann. Mag. Nat. Hist. 1857, vol. xix, p. 479, t. 6, £. 21. 
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