Rhynchonellata - Orthida - Schizophoriidae

Alternative combinations: Orthotichia minuta, Streptorhynchus minutus

Synonyms: Acosarina dorsisulcata Cooper and Grant 1969, Acosarina indica Waagen 1884, Acosarina kanmerai Yanagida and Nakornsri 1999, Dalmanella indica Waagen 1884, Kotlaia capillosa Grant 1993, Orthis indica Waagen 1884, Orthotichia indica Waagen 1884, Schizophoria indica Waagen 1884, Sunacosarina campana Liang 1990

Belongs to Acosarina according to Z. Q. Chen and Z. T. Liao 2009

Sister taxa: Acosarina aethopa, Acosarina antesulcata, Acosarina baylorensis, Acosarina circular, Acosarina dorashamensis, Acosarina dunbari, Acosarina fecunda, Acosarina grandis, Acosarina incisiva, Acosarina janiceps, Acosarina juresanensis, Acosarina mesoplatys, Acosarina monocosta, Acosarina rectimarginata, Acosarina regularis

Type specimens:

• Acosarina minuta: NIGP 4682
• Acosarina dorsisulcata: USNM 150242b, a shell (Articulated shell).
• Acosarina kanmerai: KMNH IvP 610,001. Its type locality is Khao Hin Kling, Locality H (790807-02), which is in a Capitanian carbonate limestone in the Tak Fa Formation of Thailand.
• Kotlaia capillosa: USNM 402084, a shell (Articulated specimen). Its type locality is USNM9050, Kotla Lodhian, Khisor Range, which is in a Wuchiapingian carbonate limestone in the Wargal Formation of Pakistan.
• Orthis indica:
• Sunacosarina campana:

Average measurements (in mm): shell 9.94 x 11.14, valve 8.25 x 9.28