The fossil record of mollusks is relatively complete, and they are well represented in most fossil-bearing marine strata.
ðə fˈɑːsəl ɹˈɛkɚd ʌv mˈɑːlʌsks ɪz ɹˈɛlətˌɪvli kəmplˈiːt, ænd ðeɪ ɑːɹ wˈɛl ɹˌɛpɹᵻzˈɛntᵻd ɪn mˈoʊst fˈɑːsəlbˈɛɹɪŋ mɚɹˈiːn stɹˈɑːɾə.