Should be Trochastrites hohnensis (Martini,1958) Bouche, 1962. I have found it age-restricted to upper NP15 to lower NP16 in Texas. I did not see it in a horizon as high as NP17. Mark Jiang 713-666-9628 (home) 713-205-0018 (cell) 101 Whipple Drive Bellaire, Texas 77401 -----Original Message----- From: Мусатов Владимир <dr.musatov at yandex.ru> To: Young, Jeremy <jeremy.young at ucl.ac.uk>; Coccoliths at fcnym.unlp.edu.ar <coccoliths at fcnym.unlp.edu.ar> Sent: Tue, Nov 28, 2017 4:30 am Subject: Re: [coccoliths] Nannolith inc sed Dear colleagues, very rarely there are nanoliths in the complexes, which I can not identify (see photo) - this is the zone of D. bisectus (late Bartonian). I will be very grateful for the answer. Vladimir _______________________________________________Coccoliths mailing listCoccoliths at fcnym.unlp.edu.arhttp://webmail.fcnym.unlp.edu.ar/mailman/listinfo/coccoliths -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://webmail.fcnym.unlp.edu.ar/pipermail/coccoliths/attachments/20171128/535b0e43/attachment.html>