<documentid="9D58293322E3C0DF9240BC0B42E7A518"ID-CLB-Dataset="34499"ID-DOI="http://dx.doi.org/10.3897/zookeys.506.9550"ID-GBIF-Dataset="22b0e45b-65bf-41a5-ad59-91efe29d6e4c"ID-PMC="PMC4467186"ID-Pensoft-Pub="1313-2970-506-127"ID-PubMed="26085799"ID-ZooBank="AD1565A529414D94B95A3288FB0D9391"ModsDocAuthor=""ModsDocDate="2015"ModsDocID="1313-2970-506-127"ModsDocOrigin="ZooKeys 506"ModsDocTitle="Notes on Metaphiremultitheca (Chen, 1938) (Oligochaeta, Megascolecidae) recorded from Vietnam, with descriptions of two new species"checkinTime="1451244276430"checkinUser="pensoft"docAuthor="Nguyen, Anh D. & Nguyen, Tung T."docDate="2015"docId="4BA019FAC5DF85C8AEB6C16E2CBB3535"docLanguage="en"docName="ZooKeys 506: 127-136"docOrigin="ZooKeys 506"docSource="http://dx.doi.org/10.3897/zookeys.506.9550"docTitle="Amynthas Kinberg 1867"docType="treatment"docVersion="6"lastPageNumber="128"masterDocId="0111FFD431023F4B6A6FFF84FFE3D900"masterDocTitle="Notes on Metaphiremultitheca (Chen, 1938) (Oligochaeta, Megascolecidae) recorded from Vietnam, with descriptions of two new species"masterLastPageNumber="136"masterPageNumber="127"pageNumber="128"updateTime="1732727771137"updateUser="ExternalLinkService">
<mods:titleid="0245BF11CA7A58C3E20F7FA97DC4AE5F">Notes on Metaphiremultitheca (Chen, 1938) (Oligochaeta, Megascolecidae) recorded from Vietnam, with descriptions of two new species</mods:title>
<bibRefCitationid="4178B57DE03D673A5A1B1B697223BE8F"author="Beddard, FE"journalOrPublisher="Proceedings of the Zoological Society of London"pageId="6"pageNumber="133"pagination="609 - 652"title="A revision of the earthworms of the genus Amyntas (Perichaeta)."volume="1900"year="1900 a">Beddard 1900a</bibRefCitation>
<bibRefCitationid="4C380782957CE7CFC0F7552B697B0624"author="Beddard, FE"journalOrPublisher="The Clarendon Press, Oxford"pageId="6"pageNumber="133"title="A monograph of the order Oligochaeta"url="10.5962/bhl.title.28557"year="1895">Beddard 1895</bibRefCitation>
<bibRefCitationid="6A77F0C286B34C6EB251285B6249194D"author="Sims, RW"journalOrPublisher="Biological Journal of the Linnean Society"pageId="7"pageNumber="134"pagination="169 - 268"title="A numerical revision of the earthworm genus Pheretima auct. (Megascolecidae: Oligochaeta) with the recognition of new genera and an appendix on the earthworms collected by the Royal Society North Borneo Expedition."url="10.1111/j.1095-8312.1972.tb00694.x"volume="4"year="1972">Sims and Easton 1972</bibRefCitation>
: 211;
<bibRefCitationid="A0EDF1E0211B95A7EFCA2717DF5B3659"author="Blakemore, RJ"journalOrPublisher="VermEcology, PO BOX 414 Kippax, ACT 2615, Australia"pageId="6"pageNumber="133"title="Cosmopolitan Earthworms - an Eco-Taxonomic Guide to the Peregrine Species of the World"year="2002">Blakemore 2002</bibRefCitation>
: 149,
<bibRefCitationid="9DA1C778BCD07154B7D1D5F93EBFF586"author="Blakemore, RJ"journalOrPublisher="VermEcology, PO BOX 414 Kippax, ACT 2615, Australia"pageId="6"pageNumber="133"title="Updated checklist of Pheretimoids (Oligochaeta: Megascolecidae: Pheretima auct.) taxa"url="http://www.annelida.net/earthworm/Pheretimoids.pdf"year="2007">2007</bibRefCitation>
,
<bibRefCitationid="70559FCB5394A3AE2175777124306F2B"author="Blakemore, RJ"journalOrPublisher="VermEcology, PO BOX 414 Kippax, ACT 2615, Australia"pageId="6"pageNumber="133"title="List of earthworms from Cambodia, Laos, and Vietnam"url="http://www.annelida.net/earthworm/Vietnam%20+%20Laos%20+%20Cambodia1.xls"year="2008">2008</bibRefCitation>
Widely distributed in the Oriental region, and also found in Australasian and Oceanian regions (
<bibRefCitationid="1BEACC8225779CA4C36E125998D42B63"author="Sims, RW"journalOrPublisher="Biological Journal of the Linnean Society"pageId="7"pageNumber="134"pagination="169 - 268"title="A numerical revision of the earthworm genus Pheretima auct. (Megascolecidae: Oligochaeta) with the recognition of new genera and an appendix on the earthworms collected by the Royal Society North Borneo Expedition."url="10.1111/j.1095-8312.1972.tb00694.x"volume="4"year="1972">Sims and Easton 1972</bibRefCitation>
) and distributed worldwide (
<bibRefCitationid="789805D809E9669BF2A42F2B3B895952"author="Blakemore, RJ"journalOrPublisher="VermEcology, PO BOX 414 Kippax, ACT 2615, Australia"pageId="6"pageNumber="133"title="Cosmopolitan Earthworms - an Eco-Taxonomic Guide to the Peregrine Species of the World"year="2002">Blakemore 2002</bibRefCitation>
,
<bibRefCitationid="EDD44BE707DD0CB4CEE9E10661A696C0"author="Blakemore, RJ"journalOrPublisher="VermEcology, PO BOX 414 Kippax, ACT 2615, Australia"pageId="6"pageNumber="133"title="Updated checklist of Pheretimoids (Oligochaeta: Megascolecidae: Pheretima auct.) taxa"url="http://www.annelida.net/earthworm/Pheretimoids.pdf"year="2007">2007</bibRefCitation>
Members of the genus can be easily recognized by the presence of intestinal caeca near xxvii, the absence of copulatory pouches, and often by absence of micronephridia on spermathecal ducts. It is noted that about 500+ nominal species have been recorded, but a considerable number are likely synonyms (
<bibRefCitationid="54BA3D8139CEC43C2FCF29FD8DEC05B9"author="Blakemore, RJ"journalOrPublisher="VermEcology, PO BOX 414 Kippax, ACT 2615, Australia"pageId="6"pageNumber="133"title="Cosmopolitan Earthworms - an Eco-Taxonomic Guide to the Peregrine Species of the World"year="2002">Blakemore 2002</bibRefCitation>
,
<bibRefCitationid="732CE10C9DB321347967A31D94AFFF1F"author="Blakemore, RJ"journalOrPublisher="VermEcology, PO BOX 414 Kippax, ACT 2615, Australia"pageId="6"pageNumber="133"title="Updated checklist of Pheretimoids (Oligochaeta: Megascolecidae: Pheretima auct.) taxa"url="http://www.annelida.net/earthworm/Pheretimoids.pdf"year="2007">2007</bibRefCitation>