Some generas can be extinct.Logical formLearned from2 sentences. An orchid can be extinct.Logical formLearned from2 sentences. A cohort can be extinct.Logical formLearned from2 sentences. (Conifer family cheirolepidiaceaes) can be extinct.Logical formLearned from2 sentences. Some peerages can be extinct.Logical formLearned from2 sentences. Orders can be extinct.Logical formLearned from2 sentences. Reptiles can be extinct.Logical formLearned from2 sentences. Coccolithophorids can be extinct.Logical formLearned from2 sentences. Some groups of organisms can be extinct.Logical formLearned from2 sentences. Some subspecies may go extinct.Logical formLearned from2 sentences. A (polio virus) can be extinct.Logical formLearned from2 sentences. A hominin can be extinct.Logical formLearned from2 sentences. Some percent may go extinct.Logical formLearned from2 sentences. A roar can be extinct.Logical formLearned from2 sentences. Power can be extinct.Logical formLearned from2 sentences.