It seems they are completely smooth - unless all are eroded

Marcus

________________________________________
De: Conchologists List [mailto:[log in to unmask]] Em nome de Angela Witmer
Enviada em: sábado, 29 de novembro de 2008 16:57
Para: [log in to unmask]
Assunto: Re: [CONCH-L] Conchostraca

Hard to tell from the pictures... Does it have concentric ribbing?

Angela

> Date: Sat, 29 Nov 2008 15:42:56 -0200
> From: [log in to unmask]
> Subject: [CONCH-L] Conchostraca
> To: [log in to unmask]
>
> I got some small "bivalves" from a river in São Paulo (Brazil) and showed to Dr. Simone, who told
me
> they are Conchostraca (Crustacea). At first they look like bivalves but they lack the hinge or
> muscle marks
>
> http://www.wonderphotos.com/shellphotos/pulga.jpg
>
> They are 2 - 3mm. I took this lousy picture (on left) using my compact camera - on the right I
used
> the camera on my cell phone directly onto the microscope!
>
> Marcus
>
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