Orthis-Orthoceratites 



7 6 9 



oblita, obovata, orbicularis, arbiculata, orbignyi, obtusa, occidentalis, occlusa, 

 olh ieriana, opercularis, ornata, orthambonites, oswaldi, ovalis, ovata, palliata, 

 panderi, papilionacea, parallela, parra, partita, parva, pecten, pectinatus, pectinella, 

 pelargonata, pelargonites, pennatus, peregrina, pen-eta, pinguissima, plana, planissima, 

 plicata, plicatella, plicatus, pob. gramma, porcata, productoides, protensa, pseudo- 

 pecten, pulchra, punctata, pusilla, pyrum, quadrata, quinquecostata, radialis, radians, 

 redux, resupinatus, revers a, rigid a, romingeri, rugüera, rugosa, rusticus, santonensis, 

 sarmentosa, scabrosa, schohariensis, sedgwicki, semicircularis, semilunata, semiradiata, 

 senilis, sericea, serrurieri, sharpei, simplex, sinuata, sol, sordida, spathulata, sp. ind., 

 spinigera, spuria, striatella, striatula, strigosa, strogonowi, subarachnoidea, sub- 

 equata, subjugata, sublaevis, subquadrata, sulcata, sulivani, tenuis, tenuissimestriata, 

 tenuistriata, testudinaria, transversalis, triangularis, tricenaria, trigonula, truncata, 

 tuberculata, tumid a, umbella, umbonata, umbraculum, undata, undulata, unguiculus, 

 unguiformis, ungula, venustula, verneuili, vespertilio, vetusa, virgata, virgulata, 

 voisini, walsalli, wangenheimi, zinkeni, zonata. 

 Orthisima verneuili. 

 Orthocentrus anomalus, bifasciatus, debilis, flaviceps, fulvipes, incisus, intermedius, 

 meruIa, neglectus, ridibundus, rufus, spurius, winnertzi. 

 Orthocera acicula, angularis, annularis, annulata, annuIosa, arduennensis, ascicularis, 

 attenuata, bicarinata, bilineatus, breyni, browni, cincta, circularis, conic a, convexa, 

 cordiformis, cylindracea, elegans, ellipticum, elongata, freieslebense, gesneri, glabra, 

 gygantea, imperforata, inaequalis, inducens, knorri, laevis, littua, microscopic a, 

 multistriata, obtusa, paradoxica, politum, pyramidalis, pyriformis, raphanoides, 

 recta, rugosa, semistriata, septemcostata, simplex, spiralis, striata, striatum, sub- 

 undata, sulcata, tenuistriata, trachea, undala, undulata. 

 Orthoceras aciculum, affine, alveolare, amplicameratum, anceps, angulare, annelatus, 

 annellus, appro.ximatum, arcuatum, arcuoliratum, articulatum, attenuatum, bacchus, 

 barrandei, bilineatum, bisiphonatum, brachytomum, brevi:::conicum, brighti, 

 brongniarti, caetetes, calamitum, calamus, canaliculatum, castelnaui, clathratum, 

 complana t():::sep turn, conicum, conquestum, constrictum, convergens, coralliferum, 

 coralliformis, cornu:::ibex, cuvieri, cylindraceum, dactyliophorum, decussata, 

 dentaloideum, dilatatum, dimidiatum, distans, dubium, eccentricum, ellipsoideum, 

 elongat():::cinctum, fùiferum, filiforme, filosum, fìmbriatum, fusiforme, fusiformis, 

 goldfussianum, gracile, gregarium, hercules, hernesi, humboldtiana, ibex, imbri- 

 catum, incertum, incomitatum, inequiseptum, junceum, laeve, lamellosum, 

 laqueatum, laterale, latiannulatum, latiseptatum, latissimum, lineale, lineare, 

 Jineolatum, ludense, macromerum, margin ale, markoei, marloense, martinianum, 

 mocktreensis, moniliforme, mucronata, muensterianum, muIticameratum, nummu- 

 larius, ovale, paradoxicum, per:::annulatum, perelegans, platvmerum, pomeroense. 

 primigenia, prolongatum, pulchellum, pygmaeum, pyriforme, radicula, rap hanus, 

 rectiannulatum, recticameratum, regularis, reticulatum, sacheri, salinarium, scalaria, 

 scalpratum, scorpiurus, semipartitum, sp. ind., steinhaueri, striatulum, striatum, 

 strigatum, strigillatum, sub:::arcuatum, subcanaliculatum, subcentrale, subcostatus, 

 subgregarium, sub:::imbricatum, subulatum, sub::undulatum, sulcatu1um, tentaculare, 

 tenui:::cinctum, tenuiseptum, teretüorme, textile, tracheale, triangulare, tuberosum, 

 tubicinella, tumidum, undulostriatum, unguis, vagans, vertebrale, virgatum. 

 Orthoceratites acuarius, aequalis, aequicrassus, anachoreta, anceps, anglicus, angulatus, 

 anguliferus, annulatus, arcuatus, aristorfiensis, bacillus, baculites, bigsbyi, breynei, 

 calamiteus, calycularis, cancellatus, carinatus, centralis, cinctus, circularis, cocWeatus, 

 coles, communis, compress a, conicus, conoideus, conus, cordiformis, costulatus, 

 crassiventris, crass us, crenulatus, cypris, dannenbergi, decussatus, dimidiatus, dubius, 

 duplicatus, dupplex, echidnoides, ellipticus, eremita, falcatus, fascicularis, fìstulosus, 

 flexuosus, frearsi, geinitzi, gesneri, giganteus, gigas, gracilis, grandis, granulatus, 

 gregarioides, gregarius, hians, imbricatus, interruptus, irregularis, jovellani, 

 koninckianus, liasinus, linearis, Jineatus, Ioricatus, lorieri, macrocomis, maÀimus, 

 muensterianus, multicameratus, multilineatus, multiseptatus, nautiloides, nodulosus, 

 oceani, oelandicus, paradoxus, phillipsi, polyphemus, poly thalami us, prolapsus, 

 punctatus, regularis, remotus, rimulosus, rubens, scWotheimi, semiplicatus, serratus, 



49- 2 



