Coscinodiscus
Many of the species within this genus were difficult to distinguish and therfore naming of some is tentative

223. Coscinodiscus angulatus

224. Coscinodiscus argus

225. Coscinodiscus argus var. subtraducens

226. Coscinodiscus asteroides

227. Coscinodiscus asteromphalis

228. Coscinodiscus bulliens

229. Coscinodiscus centralis

230. Coscinodiscus conclusus

231. Coscinodiscus confusus

232. Coscinodiscus curvatulus

233. Coscinodiscus debilis

234. Coscinodiscus decrescens
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235. Coscinodiscus denarius

236. Coscinodiscus densus

237. Coscinodiscus diversus

238. Coscinodiscus galapagensis

239. Coscinodiscus herculus

240. Coscinodiscus heteroporus

241. Coscinodiscus inaequisculptus

242. Coscinodiscus intumescens

243. Coscinodiscus jacksonii

244. Coscinodiscus lactucae - patella

245. Coscinodiscus luctuosus

246. Coscinodiscus marginatus

247. Coscinodiscus micans

248. Coscinodiscus oculus - iridis

248A. Coscinodiscus ovicentrum
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249. Coscinodiscus partitus

250. Coscinodiscus patellaeformis

251. Coscinodiscus performatus

253. Coscinodiscus radiosus

252. Coscinodiscus radiatus
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254.Coscinodiscus rothii
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255. Coscinodiscus spiniferus

256. Coscinodiscus splendidulus
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257. Coscinodiscus subdivicus
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258. Coscinodiscus subtilus

259. Coscinodiscus superbus
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260. Coscinodiscus superbus var. novazealandica

261. Coscinodiscus symmetricus
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262. Coscinodiscus traducens
