mˈoʊst ˌɪndᵻvˈɪdʒuːəlz ɑːɹ bᵻtwˌiːn fˈoːɹ ænd tˈɛn ˌɛmˈɛm, bˌʌt smˈɔːlɚɹ ˌɪndᵻvˈɪdʒuːəlz wʊd pɹɪzˈuːməbli hæv dᵻkˈeɪd bᵻfˌoːɹ ðeɪ kʊd fˈɑːsəlˌaɪz.
Most individuals are between 4 and 10 mm, but smaller individuals would presumably have decayed before they could fossilize.